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Chemical Reactions And The Chemical Reaction

- Introduction: In this lab, I determined the amount of heat exchanged in four different chemical reactions only using two different compounds and water. The two compounds used were Magnesium Hydroxide and Citric Acid. Both compounds were in there solid states in powder form. Magnesium Hydroxide was mixed with water and the change in heat was measured using a thermometer. The next reaction combined citric acid and magnesium hydroxide in water. The change in heat was measured as well. For the third reaction citric acid was placed in water to measure the change in heat....   [tags: Energy, Chemical reaction, Temperature, Chemistry]

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Investigating The Limiting Reagent Of A Chemical Reaction

- How to Determine the Limiting Reagent in a Chemical Reaction Introduction This is a set of instructions that will teach high school or undergraduate chemistry students how to determine the limiting reagent in a chemical reaction. Finding the limiting reagent in a chemical reaction will show which element or compound will run out first and be limited. These instructions will help to determine how much product will be produced in the chemical reaction. Any high school or undergraduate chemistry student with basic knowledge of chemistry and stoichiometry will be able to complete these instructions....   [tags: Stoichiometry, Chemical reaction, Chemistry]

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The Effect Of Chemical Reactions On The Kinetics Of A Chemical Reaction

- Introduction and Purpose: The speed in which chemical reactions occur and the factors that affect the speed is with in the investigation of chemical kinetics, this laboratory experiment was done in a way that allowed a study into the kinetics of a chemical reaction. Accordingly, the collision theory is in factor for these chemical reactions, qualitatively explaining why the relations between reactions rates of different reactions show differences. A primitive principle for this theory contains that only under the condition of molecules colliding, will then a reaction occur....   [tags: Chemical reaction, Reaction rate, Chemistry]

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Reaction Rates Of Chemical Reactions

- Introduction Kinetics is the discovery and study of the reaction rates of chemical reactions. These reaction rates involve the pace or rate at which a reaction progresses. Many specific conditions can affect the reaction rate value; furthermore, the factors include the concentration of the reactants, the polarity of the solvent, and temperature1. The rate of reaction can be determined and studied using a rate law, an equation that correlates the rate with concentrations and a rate constant. This experiment’s reaction involving t-butyl chloride has a first order reaction rate, which means that the reaction’s rate law equation is the first order equation shown below....   [tags: Chemical reaction, Chemical kinetics]

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The Reaction Of Chemical Kinetics

- Objective: To calculate and find the reaction order by using the concentration of crystal violet. Introduction: Chemical kinetics is a branch of chemistry that involves reaction rates and the steps that they follow in. It tells you how fast a reaction can happen and the steps it takes to make complete the reaction (2). An application of chemical kinetics in everyday life is the mechanics of popcorn. The rate it pops depends on how much water is in a kernel. The more water it has the quicker the steam heats up and causes a reaction- the popping of the kernel (3)....   [tags: Rate equation, Chemical kinetics, Reaction rate]

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Enzymes And The Chemical Reaction

- Introduction Enzymes are used in chemical reactions to speed up the reaction that is occurring and are biological catalysts. Enzymes can participate in a chemical reaction without being used up or destroyed, in normal conditions (Morris, Hartl, Knoll, & Lue, 2013). Although enzymes can go from one chemical reaction to another, only certain substrates, or reactants, can be paired with certain enzymes such as peroxidase to hydrogen peroxide as performed in Lab 20. These substrates bind to small caverns in the enzymes called active sites, and the chemical reaction begins (Morris et al., 2013)....   [tags: Enzyme, PH, Chemical equilibrium, Chemistry]

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Chemical Reactions Of Chemical Kinetics

- Chemical kinetics is a branch of chemistry which refers to chemical reactions with respect to reaction rates, effect of various variables, re-arrangement of atoms, formation of intermediates and much more (Chung Chieh, 2016).The importance of chemical kinetics is that it provides evidence for the mechanisms of chemical processes and provides a very detailed description of what happens to each molecule —which bonds are broken and formed, and how the three-dimensional shapes of the chemicals changes during the course of a chemical reaction (Keith J....   [tags: Chemical kinetics, Chemical reaction, Chemistry]

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Chemical Reaction Experiment Using Propane and Iodine

- Get A Reaction Out Of This. A chemical reaction occurs when one or more substances change to produce one or more different substances. For example, some evidence that a chemical reaction has occurred is possible changes in energy, release of energy, formation of a new substance, or reduction or increase in temperature. This lab will be conducted in order to create a chemical reaction by changing the reaction rate of a substance. In order to change the reaction rate, a catalyst needs to be added.in this case the catalyst in a hydrogen ion....   [tags: Lab, Elements, Reaction]

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The Effect Of Chemical Reactions On The Body

- Introduction When chemical reactions occur in the body, enzymes are used to speed up the reactions and lower the energy of activation. The rate of reactions is increased due to the complex that is established by the enzyme and the substrate. This complex that forms between the two inhibit movement respective of the two and arranges the reactive groups of the substrates next to each other (1). Enzymes allow chemical equilibrium is able to be maintained throughout the reaction and are not consumed, while accelerating the reaction (2,3)....   [tags: Enzyme, Chemical reaction, Catalysis]

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Chemical Reactions And The Human Body

- The human body goes through many different reactions and processes that are necessary for humans to live. Chemical reactions by the human body are never seen with the human eye, but it is so vital that these processes are understood. Without this understanding, diseases and disorders can never be resolved or controlled. These processes may be small in size, but have a great deal of impact on the function of the human body. One vital process in the human body observed in chemistry is the idea of chemical kinetics....   [tags: Chemical reaction, Enzyme, Catalysis]

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A Study Of Chemical Kinetics

- Chemical kinetics is the study of rates of chemical processes with respect to reaction rates, result of differing variables, re-arrangement of atoms, formation and intermediates etc (Theodore L. Brown,2010)(Chung Chieh,2016). The study of chemical kinetics is one that is a major importance in chemical research. It is powerful research tool in determining the reaction mechanism of several different reactions in chemistry(The University of Sydney,2002). Iodine clock reactions are principal examples of chemical kinetics....   [tags: Chemical kinetics, Chemical reaction]

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Catalysts and Chemical Reaction

- CATALYSTS Catalysts are substances used to increase or decrease the rate of a chemical reaction. A catalyst is a substance which alters the rate of a chemical reaction but is chemically unchanged at the end of the reaction.The word catalysts originally comes from the word Catalysis meaning the change in rate of a chemical reaction. Catalysts unlike other substances, may participate in many chemical transformations but never consumed by the reaction itself. This means that, when a catalyst is added to two substances to increase the reaction rate between them, the catalyst isn't consumed and may be used again.([3]"Chem4Kids.com: Reactions: Catalysts and Inhibitors.") For example, the decompos...   [tags: Definition, Function, Environmental Effects]

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A Experiment On The Chemical Equation

- In the demo experiment, we placed 10 grams of Ammonium dichromate in the form of a solid before starting the experiment. When the experiment begins the Ammonium dichromate is burned up and then produces Chromium (III) oxide as a solid, Nitrogen gas and water in form of a gas. In the experiment, we combined Zinc Chloride and Sodium Sulfide in which both chemicals are aqueous. The result of the combination was Zinc Sulfide a solid and Sodium Chloride an aqueous solution. In the alternate experiment, we combined Lead (II) Nitrate and Potassium Iodide in which both chemicals are aqueous....   [tags: Chemistry, Chemical reaction, Chemical equation]

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The Chemical Clock And Oscillating Systems

- Cave Spring High School The Chemical Clock and Oscillating Systems Sean P. Romano Pre-AP Chemistry Elizabeth Taylor 25 November 2014 Sean P. Romano Elizabeth Taylor Pre-AP Chemistry 25 November 2014 The Chemical Clock and Oscillating Systems The word chemical as defined by Merriam Webster’s Dictionary is “A substance (such as an element or compound) that is made by a chemical process.” In correspondence to the word clock, in which is defined as “Any periodic system by which time is measured”, a unique complexity is formed between the two when conjoined....   [tags: Chemical reaction, Chemistry]

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Exothermic Reaction Of Endothermic Reaction Jacksonville Florida

- Case Study Exothermic Reaction Jacksonville Florida December 19th 2007 Joseph Haag Columbia Southern University Advance Interactions of Hazardous Materials On December 19th 2007, a small chemical manufacturer T2 Laboratories suffered a catastrophic failure and release while in production of a compound that is produced to increase octane in gasoline and is a common additive in fuel production Methyleclopentadienyl manganese tricarbonyl or MCMT. The failure occurred during production and resulted in the death of 4 and injuries to 32 people, 28 of which were members of the community....   [tags: Chemical reaction, Chemistry, Chemical engineering]

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Distinguishing Between Chemical And Physical Changes

- Lab Title: Distinguishing Between Chemical and Physical Changes in Matter Purpose: The objective of this lab is to determine if there are chemical or physical changes that occur after mixing various forms of matter. To do this the following items are mixed together and macroscopic changes are observed and recorded: Starch + I2, Food coloring + NaOCl, Food coloring + CH3COOH, Red cabbage + NH3, Red cabbage + CH3COOH, NaHCO3 + NH3, NaHCO3 + CH3COOH, Na2CO3 + CH3COOH, MgSO4 + CH3COOH, MgSO4 + NH3 and MgSO4 + Na2CO3....   [tags: Chemistry, Chemical reaction, Ammonia]

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Lab Report On Chemical Reactions

- Vadim Kavalenko - The focus of our 4th quarter in 9th Grade Science was chemistry. We spent a lot of time in the lab seeing first hand how chemical reactions occur, and continued to focus on the lab report writing process. Our lab and projects included a melting point lab, flame test lab, a pennies to gold lab, and a hydrogen gas lab. Next year students in 10th grade at HIS will study biology. Vadim has made definite progress this year as he has solved his problems with not completing assignments....   [tags: Chemical reaction, Chemistry, Experiment]

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Stoichiometry of a Chemical Reaction with a Gaseous Product

- Stoichiometry of a chemical reaction with a gaseous product. Introduction In an equation of compounds, the number before the formula mean the number of atoms of each element talking part in the reaction. These number are the coefficients, and they can also mean the amount of moles in the compound. The equation has to be balanced so the final product is stable and so the maximum amount of each product is formed. In the experiment the magnesium reacts with hydrochloric acid and it makes magnesium chloride and hydrogen gas....   [tags: Experiment, Magnesium]

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Chemical Decomposition And Its Effects On Organic Materials

- Introduction Pyrolysis Background Pyrolysis is defined as the chemical decomposition that is induced in organic materials by using heat in the absence of oxygen. In practice however, it is very difficult for one to achieve an oxygen-free atmosphere. Therefore the actual pyrolytic systems are operated in environments that have nominal stoichiometric quantities of oxygen. The reason for this is that there will be some oxygen present in the pyrolytic systems, and this will result in nominal oxidation with the pyrolysis....   [tags: Chemical kinetics, Chemical reaction]

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Physical And Chemical Changes And A Learning Segment That Is Developmentally Appropriate For Fifth Grade Students

- When a student peers around, there are copious changes taking place and though students may not realize it until fifth grade, there is a system to characterize these changes as either a chemical or physical change. In fifth grade science, students are able to learn about the world around them, by experimenting and observing, and teachers and students will utilize these skills to develop a greater knowledge of chemical and physical changes. This paper’s purpose is to inform one about physical and chemical changes, and then explain how it can be beneficial in a learning segment that is developmentally appropriate for fifth grade students....   [tags: Chemical reaction, Chemistry, Chemical change]

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The Chemical Structure Of Ethyl Cinnamate5

- Discussion: The synthesised ethyl cinnamate weighed 0.56 g, which was equivalent to 140% of the theoretical yield of 0.414 g. This excessive yield was resultant of the impurities within the product, where the solvents, particularly the dichloromethane, were not sufficiently removed from the product. In figure 3, the peak at 5.22 ppm with a normalised intensity of 1.00 evidenced the significant proportion of the dichloromethane in the product, and the peak at 0.88 ppm with a normalised intensity of 0.25 indicated some remaining hexane.4 The unreasonable yield was mostly attributed to these....   [tags: Wittig reaction, Aldehyde, Chemical reaction]

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How Enzymes Affect The Rate Of Chemical Reactions

- Enzymes are biological catalysts - catalysts are substances that increase the rate of chemical reactions without being altered itself. Enzymes are also proteins that fold into complex shapes that allow smaller molecules to fit into them. The place where these substrate molecules fit is called the active site. The active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of residues that form temporary bonds with the substrate and residues that catalyse a reaction of that substrate....   [tags: Enzyme, Catalysis, Chemical reaction, Metabolism]

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Investigating The Reaction Rate Of The Concentration Of Reactants Or Products Per Unit Of Time

- Introduction: A chemical reaction is a process in which one or more substances are converted into other substances (Brown et al. 2015). The speed of a chemical reaction is called the reaction rate (Brown et al. 2015). The reaction rate is the change in the concentration of reactants or products per unit of time (Brown et al. 2015). Sometimes it is possible to measure the rate of reaction by timing a change in appearance (Van Norman 1963). Activation energy is the least amount of energy needed to break the chemical bonds of reactant molecules so that they can form new products (LAB)....   [tags: Chemical reaction, Chemistry, Reaction rate]

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The Rate Of Reaction By Measuring The Increasing Absorbance Of 430 Nm Light

- In this experiment, spectrophotometry will be used to measure the rate of reaction by measuring the increasing absorbance of 430 nm light by I2, as concentration of iodine increases.1 The order of a chemical is the number by which the rate of the reaction exponentially increases with increasing concentration of the chemical, and it’s always a whole number. An order of 0 is assigned when there is no exponential increase with the increase in concentration of that chemical.2 A spectrophotometer will be used in this experiment to measure the absorbance at a λmax of 430 nm....   [tags: Chemical reaction, Reaction rate, Chemistry]

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Love: A Chemical Reaction or a Social Phenomenon?

- According to the Webster's dictionary love is defined as “a feeling of strong personal attachment; ardent affection or the strong liking of another person.” However, in all actuality what is love. What is it that causes the butterflies. What is it that causes the emotions that can't be described in words other than, “you just know?” the feelings for every person are unique when it comes to love which makes defining it even more difficult. Even though the relationships and the experiences differ for each person; the concept of love all involves the same three stages- lust, attraction, and attachment....   [tags: Psychology]

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The Effect Of Concentration And Temperature On The Rate Of Reaction

- The purpose of this experiment is to understand how various chemicals interact with one another in order to determine the role of each chemical. In addition to this, the effects that concentration and temperature has on the rate of reaction were determined. In order to do this multiple trials and observations were made while mixing constant concentrations of the chemicals in order to test a specific chemical which varied in concentrations. To determine the effect of temperature, a solution was either heated or cooled....   [tags: Chemical reaction, Reaction rate, Rate equation]

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The Effect Of Substrate Concentration On Enzyme Concentration And Reaction Time Upon The Direction Of An Enzymatic Reaction

- The purpose of this laboratory experiment was to determine the effects of substrate concentration, enzyme concentration, and reaction time upon the direction of an enzymatic reaction. The effects of each of the preceding variables were determined using various diagnostic tests, as well as designated positive and negative controls. Numerous diagnostic tests may be used to identify macromolecules in solution, which is especially important in the context of this laboratory, wherein one needs to identify whether a macromolecule has undergone hydrolysis, synthesis or phosphorolysis alongside the aid of a catalyst, and if so, at what rate the reaction had ensued (Chary & Sharma, 2004)....   [tags: Enzyme, Chemical reaction, Starch, Chemistry]

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The Effect Of Concentration On The Reaction Rate Of Enzymes

- This investigation sought to see if an increased pH concentration would affect the reaction rate of enzymes, this investigation was conducted over a 12-day period. The experiment themselves conducted over a 3-5-minute period with 20 second interval intervals. in-between daily measurements in a controlled location with a predetermined temperature of 27°C. The hypothesis was decided based on established theories environmental factors have a key effect on enzyme proficiency, and given the pH concentration solution would affect the enzymes by increasing the speed at which the biochemical reaction occurs, similar to that established by Pieramico O, Dominguez-Munoz JE, etc....   [tags: PH, Enzyme, Acid, Chemical reaction]

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Factors That Affect Enzyme Reaction

- There are many factors that affect enzyme reaction rates due to the inherently complex structure that an enzyme possesses. Enzymes are composed of many different proteins that all have their own functional R groups attached. This structure is was enabled enzymes to lower activation energies of almost all reactions and thus makes them crucial to all life processes. Enzymes do this by coming into contact with a substrate. Once in contact, the R groups will either be attracted to or repel the substrate....   [tags: Enzyme, PH, Chemical reaction, Catalysis]

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Investigating How The Concentration Of The Acid Thiosulfate Affects The Rate Of A Reaction

- Rate of Reaction Concentration: Aim: to investigate how the concentration of the sulphuric thiosulfate affects the rate of a reaction. Hypothesis: If the concentration of sulphuric thiosulfate is increased then the rate of reaction with increase. Prediction: Collision theory states that, for a reaction to occur, the particles must collide with sufficient energy and in the appropriate orientation. For a collision to be successful, the particles must collide with a minimum energy called the activation energy....   [tags: Chemical reaction, Chemistry, Chlorine]

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Direct And Detailed Mechanistic Information For The Reaction O

- Direct and detailed mechanistic information for the reaction O(3P) + C2H3 was obtained from the ab initio theoretical calculations. The optimized structures of the reactants, products, intermediates, and transition states involved in the Reactions (1) – (12) are shown in Figures 1–3. Table 1 and II refer to the ZPE-corrected energies relative to O(3P) + C2H3 at various levels of theory and their scaled harmonic vibrational frequencies. Figures 4 and 5 outline all the microscopic twelve reaction channels identified for the title reaction on the ground-state doublet PESs....   [tags: Chemical kinetics, Chemical reaction, Chemistry]

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Kinetics Of Ester Hydrolysis Catalyzed By Digestion

- Kinetics of Ester Hydrolysis Catalyzed By Imidazole Experiment 3 Ban He Lab Partner: Colton Kincy TA: Ally Fairman September 19, 2014 Abstract: The purpose of the experiment was to study the kinetics of the hydrolysis of ester, p-nitrophenyl acetate (NPA) that is catalyzed by the buffer imidazole (Im). In terms of kinetics, specifically speaking, the rate of reaction as determined by the concentration, reaction orders, and rate constant with each species in a chemical reaction. By using the concentration of the catalyst and the temperature, the overall reaction rate was determined....   [tags: Chemical reaction, Chemical kinetics]

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Factors that Influence the Rate of a Chemical Reaction

- Factors that Influence the Rate of a Chemical Reaction Aim The aim of this experiment is to find out what affects the rate at which a reaction occurs between sodium thiosulphate and hydrochloric acid. I want to find out whether and to what degree varying the concentration of sodium thiosulphate has any effect on the rate of reaction. Prediction I predict that the greater the concentration of Sodium Thiosulphate solution the faster the chemical reaction will take place....   [tags: Papers]

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The Effect of Temperature on the Rate of a Chemical Reaction

- The Effect of Temperature on the Rate of a Chemical Reaction Aim: In this investigation we are trying to find out how the temperature affects the rate of reaction. Hypothesis: I believe that the higher the temperature, the faster the reaction the reaction between the sodium thiosulphate and hydrochloric acid. This will happen because kinetic energy and the heat energy makes the particles move faster, collide faster and react faster; therefore they can break bonds easier....   [tags: Papers]

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Factors that Affect the Rate of a Chemical Reaction

- Factors that Affect the Rate of a Chemical Reaction I am going to plan and carry out an investigation into one factor that affects the rate of a chemical reaction. That chemical reaction is going to be between sodium thiosulphate solution and dilute hydrochloric acid. To make this a fair test we will have to keep all variables the same except the one we area investigating. My variable that I am going to investigate is going to be the concentration of the sodium thiosulphate....   [tags: Papers]

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The Effect of Temperature on the Rate of a Chemical Reaction

- The Effect of Temperature on the Rate of a Chemical Reaction Investigating the rate of Carbon Dioxide production when Calcium Carbonate reacts with Hydrochloric acid. Introduction: A reaction's rate can be influenced by a number of variables; the surface area of the reactants; whether or not there is a catalyst in the experiment; the concentration of the reactants and the temperature of the reactants. In this investigation I plan to find out about how the temperature affects the rate of a reaction....   [tags: Papers]

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The Factors that Affect the Rate of a Chemical Reaction

- The Factors that Affect the Rate of a Chemical Reaction Planning I have been asked it investigate what factors can influence the rate of a chemical reaction. I will be reacting magnesium and hydrochloric acid. To measure the rate of a reaction, I will time how long it will take the reaction to produce 5ml, 10ml, 15ml, and 20ml of hydrogen. There are a number of variables that can affect the rate of my experiment i.e. Ø Size of the magnesium, this is because there is more surface area: more magnesium is exposed to the hydrochloric acid and therefore more acid can attack the magnesium....   [tags: Papers]

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Factors that Affect the Rate of a Chemical Reaction

- Factors that Affect the Rate of a Chemical Reaction NaS O + 2HCl 2NaCl + H O + SO + S I will be trying to find out how concentration affects the reaction between thiosulphate and hydrochloric acid. Prediction: I think that if the amount of thiosulphate is increased and the amount of water is decreased then the reaction will take less time because the collision theory states that if the concentration is increased, the number of particles in the will also increase, therefore the chance of successful collisions is increased and this speeds up the rate of the reaction....   [tags: Papers]

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The Effect Of Concentration on the Rate Of A Chemical Reaction

- The Effect of Concentration on the Rate of a Chemical Reaction The aim of this investigation is to find out the effect the concentration of a reactant has on the rate of the reaction. Variables --------- The main variables I could have chosen to change are: 1) The volume of reactants 2) The temperature of reactants 3) The type of container where the reaction takes place 4) The concentration of the reactants Prediction ---------- I predict that the higher the concentration the faster the rate of reaction....   [tags: Papers]

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Investigating Factors Affecting a Chemical Reaction

- Investigating Factors Affecting a Chemical Reaction Chemical reactions take place in all living and non- living things. As a chemical reaction takes place the reactants concentration decreases and the concentration of products increases with time. The rate of reaction (reaction velocity) can be defined as the rate of change in concentration of a stated reactant or product with time. The rate of a reactant per unit if time or the amount of a product produces per unit of time....   [tags: Papers]

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The Effect Of Hydrogen Peroxide Concentration On The Rate Of Reaction

- Discussion The data from the experiment supports the hypothesis that as the hydrogen peroxide concentration increases, the rate of reaction will increase until it reaches equilibrium. The rate of reaction follows the similar trend of rapidly increasing until reaching a plateau, as shown in Figure 4. The catalase reaction rate grew exponentially from 0.00 s-1 at 0 v/v% to 0.77 s-1 at 3 v/v%, and then the reaction rate significantly slows down to 0.65 s-1 at 5 v/v% (Figure 1 and 2). Figure 4: The relationship between increasing substrate concentration and the rate of reaction of the enzyme....   [tags: Enzyme, Catalase, Chemical reaction, Yeast]

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Not the Chemical Kind of Reaction

- One of many theories I have is that all of our actions in life can be boiled down to one simple choice: do we work to resolve problems, or do we react to them. People can be defined by their tendencies towards one of those choices, and the lead character in Edith Wharton’s Ethan Frome is most certainly defined by his reactivity, rather than proactivity. Rather than work to solve situations, he simply reacts to his circumstances, oftentimes not making conscious decisions. It is very difficult to find instances in the book of Ethan’s proactivity, but his rash reactions are seen in abundance....   [tags: Ethan Frome by Edith Wharton]

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The Rate Law for Chemical Reaction Among Hydrogen Peroxide, Iodide, and Acid

- The Rate Law for Chemical Reaction Among Hydrogen Peroxide, Iodide, and Acid To determine the rate law for a chemical reaction among hydrogen peroxide, iodide and acid, specifically by observing how changing each of the concentrations Experiment 3 Chemical Kinetics Objectives 1. To determine the rate law for a chemical reaction among hydrogen peroxide, iodide and acid, specifically by observing how changing each of the concentrations of H2O2, and H+ affects the rate of reaction. 2. To observe the effects of temperature and catalyst on the rate of reaction....   [tags: Rate Law Chemical Reactions Science Essays]

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Chemistry : What Kind Of Reactions?

- For centuries, many scientists and researchers have pondered on the idea of combining two or more substances together to create something new. These explorations have led to the idea of what kind of reactions would occur when diverse elements are combined. This is a concept known as chemistry, a part of science that corresponds with how matter is created from different properties and the process it goes through to create a new substance. Chemistry is a scientific concept that is used in everyday life and is a crucial part in the development of new technology and substances that allow today’s quality of life....   [tags: Chemistry, Chemical reaction, Chemical substance]

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Enzyme Enzymes And Its Effect On The Transition State Of A Chemical Reaction

- Enzymes are biological macromolecule that acts as catalysts and increase the rate of a chemical reaction. Without enzymes, life, as we know about it, would not exist. Enzymes function by deceasing the activation energy and stabilizing the transition state of a chemical reaction without altering the thermodynamic of reaction (#1 Boyer). At the molecular level, enzymes catalyze these reactions by binding to the substrate or reactants to form an enzyme-substrate complex. The reaction takes place while the substrate is bound to the enzyme and converting the substrate to the new product....   [tags: Enzyme, Enzyme inhibitor, Catalysis]

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Exploring Factors That Affect the Rate of a Chemical Reaction Involving Magnesium and Hydrochloric Acid

- What factors affect the rate of this chemical reaction: Magnesium + Hydrochloric Acid  Magnesium Chloride + Hydrogen Mg (s) + 2HCl (aq)  MgCl2 (aq) + H2 (g) Prediction I think that my results will show that the hydrochloric acid with a molarity of 2 will finish reacting the quickest because it is the strongest hydrochloric acid and I predict that the slowest experiment to finish reacting will be the 0.4 molar strength of hydrochloric acid. I think that the results will go slower and slower the nearer they are to the 0.4 strength of hydrochloric acid....   [tags: chemistry, chemistry experiment, lab report]

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Investigating The Reaction Of Sodium Hydroxide And Crystal Violet Using Spectroscopy

- Discussion Objectives: This experiment is monitoring the reaction of sodium hydroxide and crystal violet using spectroscopy. Graphical methods will be used to determine the kinetic rate law, rate constant and activation energy for the reaction. General Discussion: The order of hydroxide was determined by the varying the initial concentration of hydroxide in runs 1 and 2. We used the isolation method, which calls for having much higher concentrations of one reactant then the other, in this case the concentration of NaOH being much higher than the concentration of Crystal Violet....   [tags: Chemical reaction, Chemistry, Rate equation]

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The Functions and Materials of a Fuel Cell

-   Introduction: A fuel cell can be descried as "a plant" because it uses fuel as input and produces electricity as an output. What makes a different between a fuel cell and a battery that fuel cells continue to produce electricity as long as fuel is supplied. Both of them depend greatly on electrochemistry in their function. Engines covert energy of a combustion reaction to a mechanical energy while fuel cells transfer the energy of a chemical reaction to an electrical energy. Fuel cells utilize the movement of electrons in the chemical reaction to create a current flow....   [tags: energy, mechanical, chemical reaction]

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Chemistry And Its Effect On Our Lives

- Chemistry is important and surrounds us in our everyday lives. People use chemistry quite often without even realizing it. An important term in chemistry is to know what term matter means. Matter is something that occupies space. People are involved with chemistry as soon as they are born and also experience it every morning when they wake up. As people, we experience chemistry when we walk, eat, sleep, breathe, drink, and many other things that we do in our everyday life. An interesting and important fact to know is that our body knows chemistry and is made up of it....   [tags: Chemical reaction, Chemistry, Chemical substance]

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The Cas Number Of Thallium

- The CAS number of Thallium(I) chloride is 7791-12-0. The CAS or CARSN number is the particular number to identify given by Chemical Abstracts Service has detailed for a scientific characteristic of the substance. Thallium(I) chloride is impossible to solve in water. Molecular weight of Thallium(I) chloride is about 239.82, density is about 7 g/ml at 25-celsius degree. The storage of Thallium(I) chloride is recommended at poison room with fairly low temperature. The formula TLCL (Thallium(I) chloride) chemical compound has colorless solid become distinctly transitional detach Thallium from the original ore....   [tags: Chemistry, Chemical reaction, Chemical substance]

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The Cas Number Of Thallium

- The CAS number of Thallium(I) chloride is 7791-12-0. The CAS or CARSN number is the particular number to identify given by Chemical Abstracts Service has detailed for a scientific characteristic of the substance. Thallium(I) chloride is insolubility in water. Molecular weight of Thallium(I) chloride is about 239.82, density is about 7 g/ml at 25-celsius degree. The storage of Thallium(I) chloride is recommended at poison room with cooling temperature. The formula TLCL (Thallium(I) chloride) chemical compound has colorless solid become distinctly transitional detach Thallium from original ore....   [tags: Chemistry, Chemical reaction, Chemical substance]

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The Amount of Time Needed to Burn Different Types of Wood

- Review of Literature Fire has been around for many years. As the years passed, we have thought of and invented many things that create and maintain fires for hours and hours. We take having fire instantly for granted. But what if we didn’t have a gas stove or gas grill anymore. We would have to use wood. People have been using wood for years, but do you know which kind of wood to use so that your fire burns for the longest amount of time possible or for the shortest amount of time. Fire is chemical reaction between oxygen and a type of fuel....   [tags: Chemical Reaction, Oil Content]

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Why Ratio Are An Integral Part Of Each One Of Different Activities And Ratios Tie These Activities Together

- Ratios are an integral part of each one of these activities and and ratios tie these activities together. In Dalton’s Playhouse the students were introduced to the use of ratios in chemical formulas by determining proportions of elements in a decomposition reaction. This led into the reaction of mossy zinc with hydrochloric acid by using the same knowledge base but in a new context, a single replacement reaction instead of a decomposition. In this activity the students had to use their own data to come up with their ratio for the product, zinc chloride....   [tags: Chemical reaction, Chemistry, Ratio]

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Investigation into how to measure the rate of a chemical reaction and

- Investigation into how to measure the rate of a chemical reaction and how to change the rate of a reaction. Investigation into how to measure the rate of a chemical reaction and how to change the rate of a reaction My task is to produce a piece of coursework investigating rates of reaction, and the effect different changes have on them. The rate of reaction is the rate of the loss of a reactant or the rate of formation of a product during a chemical reaction. There are five factors which affect the rate of reaction according to the collision theory of reacting particles: temperature, concentration (of solution), pressure (in gases), surface area (of solid reactants) and catalysts....   [tags: GCSE Chemistry Coursework Investigation]

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Determining if the Rate of a Chemical Reaction is Affected by Temperature

- Aims and Objectives Introduction: In this coursework, I will be conducting an experiment, to show a particular factor affects the rates of a chemical reaction. The main factors include concentration/pressure of the reactants, presence of catalysts, particle size and temperature. I have chosen the effect of temperature on a chemical rate of reaction. Aims: The aim of this investigation is to find out the effect of Temperature of the acid, in the reaction between dilute hydrochloric acid and magnesium ribbon....   [tags: Lab Report]

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The Science Of Matter And Energy

- I’m intrigued by your curiosity and zest when it comes on to chemistry, the science of matter and energy. I think, to some extent, that you very much remind me of my previous self, when I was around your age. Now, I am a chemical engineer, obviously, quite a number of years have passed. Oh my. Time flies. To put things in perspective, though, I general I don’t normally take breaks from my already busy schedule to write letters, explaining how processes work. However, I see that you are special, and that you have a tremendous amount of passion for the science, which I greatly admire and encourage by all means....   [tags: Chemical reaction, Hydrogen, Aluminium]

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The Matter And Energy Unit 3

- During the matter and energy unit, each group was assigned to two experiments that demonstrated changes of matter. In the Changes of Matter lab, my partner and I were assigned to group 3, focusing on two experiments: one, soft water with Alconox soap, and two, hard water with Alconox. After we gathered our supplies, we conducted the experiments accordingly to the procedures, where we realized what we were observing led us to infer which state of change our experiments were undergoing. After retrieving the materials for experiment 1, my partner and I followed through with the procedure....   [tags: Chemistry, Chemical reaction, Water]

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How Concentration Affects The Speed Of A Chemical Reaction

- How Concentration Affects The Speed Of A Chemical Reaction Aim --- To investigate the effect of concentration of acid, in the reaction between dilute hydrochloric acid and magnesium ribbon. Preliminary Research -------------------- The rate of a chemical reaction is the measure of how fast the reaction takes place. In a reaction particles must collide and overcome the fixed amount of energy for the reaction to take place. This energy is called the activation energy. The rate of reaction depends on four factors: « Temperature - An increase in temperature produces an increase in rate of reaction....   [tags: Papers]

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Rate of Chemical Reaction between Magnesium and Hydrochloric Acid

- Rate of Chemical Reaction between Magnesium and Hydrochloric Acid Aim: - ====== I plan to investigate the effect of temperature, to see if it increases or decreases the rate of reaction between magnesium and hydrochloric acid. Prediction: - ============= I predict that as the temperature of the hydrochloric acid increases, the quicker the rate of reaction will be. This is due to the molecules in the hydrochloric acid gaining energy from the heat. Consequently, the molecules have increased kinetic energy, which will produce more activation energy....   [tags: Papers]

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Synthesis Of Multicomponent Reactions Using Nanomagnetic Catalyst Under Solvent Free Condition

- 1. Nanomagnetic-supported sulfonic acid is found to be a powerful and reusable heterogeneous catalyst for the efficient synthesis of Pyrimidinones. In this study we use various ketones such as acetophenone and cyclopentanone in one-pot synthesis of Pyrimidinones. Our objective is to improve conditions for the synthesis of multicomponent reactions using nanomagnetic catalyst under solvent free condition. A Number of excellent and significant results have been developed that lead our perspective understanding of the effect of the magnetic nanoparticles when they are used as catalysts....   [tags: Chemistry, Chemical reaction, Catalysis]

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The Effect Of Copper Metal On An Aqueous Nitric Acid

- Discussion: The reactions in the experiments where observed and then proven in the lab. The first reaction involved the combination of copper metal to an aqueous nitric acid. The nitric acid originated as a light blue color, then later changed to a turquoise after the addition of the copper. Then some of the solution turned into gas, which was observed by identifying a light brown gas trapped on the inside of the test tubes sidings. The oxygen combined with hydrogen to form water, while copper II nitrate and nitrogen dioxide....   [tags: Chemical reaction, Chemistry, Hydrogen, Ammonia]

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Biological Systems And Its Effect On The Body

- Abstract Life wouldn’t be possible without the work of enzymes. These proteins are used to maintain and regulate all metabolic processes throughout the body. Biological systems can take years for a chemical reaction to take place, yet provided with the correct enzyme, a chemical reaction can occur within a fraction of the time. Enzymes are used to make commercial items such as the foods we consume and household items. In this lab, the following enzymes were under scrutiny: Bacillus licheniformis amylase and Aspergillus oryzae amylase....   [tags: Enzyme, Catalysis, Chemical reaction, Metabolism]

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The Effect Of Substrate Concentration On The Concentration Of Ph Buffer

- The purpose of this assessment was to research, design and conduct an experimental investigation on the effect of substrate concentration (manipulated by increasing concentration of pH buffer) of catalysed reactions by measuring the volume of oxygen produced as the reaction proceeded. Enzymes are biological catalysts - catalysts are substances that increase the rate of chemical reactions without being altered itself. Enzymes are also proteins that fold into complex shapes that allow smaller molecules to fit into them....   [tags: Enzyme, Catalysis, Chemical reaction, PH]

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Enzymes : An Enzyme Of Protein And Specific Three Dimensional Shapes That Are Necessary For Proper Functioning

- Domenique Moore Lydia Vicente Deneil Ferguson Suleyma Arriaza Kimberly Gordon Date Introduction Enzymes are made of proteins with specific three dimensional shapes that are necessary for proper functioning. They function as catalysts, which means that they increase or decrease the rate at which chemicals react and processes occur in living organisms. Therefore they allow certain chemical reactions to occur at a faster rate then the reactions would normally occur on their own....   [tags: Enzyme, Chemical reaction, Saliva, Starch]

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How Does the Concentration of Copper II Sulphate Solution Affect Its Transparency?

- Design Research Question How Does the Concentration of Copper II Sulphate Solution Affect Its Transparency. Background information Copper is a transition metal and one unique property of transition metals is to create different types colored compounds . Copper(II) sulfate, also known as cupric sulfate or copper sulphate, is the chemical compound with the chemical formula CuSO4. Existing as a gray white powered in anhydrous form however more commonly encountered salt in the laboratory is pentahydrate or (CuSO4·5H2O ) is bright blue in powdered form ....   [tags: chemical reaction, metal]

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The Effect Of Two Environmental Factors On The Enzyme Peroxidase

- To determine the effects of two environmental factors, temperature and pH, on the enzyme peroxidase, a spectrophotometer was used to measure the absorbance of each reaction every twenty seconds for two minutes. The temperatures tested were 0°C, 23°C, 32°C, and 48°C; the pH levels tested were pH 3, pH 5, pH 7, and pH 9. The temperatures were kept constant by keeping the tubes at room temperature, or placing them in an ice bath, warmer, or a hot water bath. Peroxidase, hydrogen peroxide, guaiacol and a pH buffer were mixed together to produce a reaction for both the temperature and pH experiments....   [tags: PH, Enzyme, Chemical reaction, Base]

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The Effect Of Acid Concentration On The Enzyme Activity Of The Alkaline Phosphatase Enzyme

- Enzyme activity can be effected by a series of factors such as pH, temperature, and concentration of enzyme (Campbell, 2014). The purpose of this experiment is to determine the specific effects due to the change in pH, temperature, and concentration on the enzyme activity of the Alkaline Phosphatase Enzyme. The results displayed the effects of the Alkaline Phosphatase Enzyme due to the shifts in environment. The temperature shift revealed the enzyme’s optimal temperature for it’s to function ideally....   [tags: Enzyme, PH, Chemical reaction, Catalysis]

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The Effects Of Chlorine On The Environment

- There are many chemicals and reactions occurring inside the average backyard swimming pool, one of the most important and well known chemicals are Chlorine. Chlorine is a very important part of a pools chemical makeup as it is a very good at oxidising bacteria suspended in water and keeping the pool water clear and clean. The chlorine chemical CLO is in a constant state of equilibrium that is affected by a number of factors such as temperature of the water, acidity of the water and sunlight exposure....   [tags: PH, Acid, Chemical reaction, Chlorine]

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What Is The Substrate Of Catalase?

- What is an Enzyme. An enzyme is a substance that changes the role of a chemical reaction in living systems. It is involved in nearly every biochemical reaction as it lowers the activation energy. It helps cells to communicate with each other by keeping the life and death of the cell under control. What is the substrate of catalase. A substrate is a substance in which an enzyme reacts. A catalase is an enzyme that destroys harmful substances inside your body. Hydrogen peroxide (H_2 O_2) is produced in the body because of the reactive nature of oxygen....   [tags: Chemical reaction, Enzyme, Chemistry, Acid]

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Advantages and Disadvantages of a Molton Carbonate Fuel Cell

- 5.1 What is Molten Carbonate Fuel Cell (MCFC) . It a cell that takes Hydrogen, Oxygen and carbon dioxide as feed and produces water. It operates at extremely high temperature (between 6000C – 7000C). Molten Carbonate fuel cells are usually %45 to %55 efficient. That is due to heat lost from the chemical reaction (not all of the energy converts to electrical energy. This report will demonstrate the components of molten carbonate Fuel cell, what there mode are of and how they function. 5.2 Advantages and disadvantage: Disadvantage To produce electricity in large scale, a stack of Melton carbonate fuel cell is used (a multiple of MCFCs are connected to produce).In addition, Hydrogen tanks are...   [tags: energy, chemical reaction, fuel cell]

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Use Of And Repetition Of Ratios And Proportions

- I choose to focus on the use and repetition of ratios and proportions as my major theme in chemistry. Throughout this sequence of instruction, my goal was for the students to seamlessly tie mathematics into the science curriculum. I wanted students to recognize the interconnectedness of the two subjects by emphasizing the association of ratios throughout chemistry and to realize the importance of ratios in real life. Ratios are found in all aspects of life and I wanted to open their eyes to this....   [tags: Chemical reaction, Chemistry, Stoichiometry, Ratio]

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What Makes Zeolites Interesting Since Their Discovery?

- What made zeolites interesting since their discovery in 1756, when Cronstedt found the stilbite, was their structure. After more than 100 years, in 1896, Friedel was the first one to develop the idea of zeolites consisting of open spongy framework. When the zeolites are heated, the water of hydration is lost and they become porous. Zeolite catalysts are characterized by small and uniform pores. The type of cation present in the zeolite’s structure determines the pore size. For example, in the cubic structure of the type ‘A’ zeolites, there are pores with dimensions big enough in order to allow normal paraffins through....   [tags: Catalysis, Chemical reaction, Zeolite, Hydrogen]

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How Does Zapier Work As A Catalyst?

- There are a lot of things out there that people would like to get done. But sometimes that initial burst of effort required is just a little overwhelming, making these things take a very long time. In these kinds of situations, what you really need is a catalyst to get things going. What Zapier has done is act as this catalyst for the connection of web apps. Founded out of a startup weekend in late 2011, their online web platform easily integrates apps like Google Docs, Asana and Salesforce, to do whatever task or workflow you may want, saving time and energy Zapier operates on a Freemium business model....   [tags: Catalysis, Chemical reaction, Activation energy]

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Why I Should Be A Nurse

- Ever since I was a little girl I wanted to be a nurse. When I got to high school I decided that I should take chemistry to get ahead in my education. Unfortunately, I really struggled with it and couldn’t comprehend a thing. I love the thought of caring for others and I can’t wait to be a nurse in the future. I knew that chemistry was a big part of being a nurse but I had no idea chemistry was so hard, especially at the college level. If you’re a struggling nursing student enrolled in a chemistry class, you probably ask yourself every day why it is necessary to take chemistry when you want to be a nurse....   [tags: Chemistry, Chemical reaction, Organic compound]

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The Experimental Data And Model Prediction

- All the simulations were conducted using SENKIN code [48] of CHEMKIN II program [49] with a zero-dimensional and constant volume adiabatic model. SENKIN/VTIM approach proposed by Chaos [50] was used to include the non-ideal pressure rise effect on the simulated ignition delay times. Pressure rise (dp/dt = 4.2 % ms−1) was observed experimentally and was considered in the numerical simulations. Five available mechanisms, namely Wang DME, NUI Galway Mech_56.54, JetSurF2.0, LLNL n-alkanes and NUI Galway pentane isomers were validated against our ignition delay data....   [tags: Chemical reaction, Thermodynamics, Alkane]

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The Nobel Prize Of Chemistry

- The Nobel Prize is a set of annual international awards bestowed in a number of categories by Swedish and Norwegian committees in recognition of academic, cultural and scientific advances. Chemistry is one of the many categories of Nobel Prizes awarded to chemists that have dedicated life changing research in their perspective fields. In 2013, the Nobel Prize in chemistry was awarded to three theoretical chemists, Michael Levitt, Martin Karplus, and Arieh Warshe, who developed a multiscale computer to predict complex chemical reactions American- British Michael Levitt was born in Pretoria, South Africa in 1947....   [tags: Chemistry, Chemical reaction, Computer graphics]

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Alternative Renewable Carbon Source For Production Synthesis Gas Through Thermochemical Based Processes

- Biomass represents a potential alternative renewable carbon source for production synthesis gas through thermochemical-based processes. Nevertheless, despite a wide research in the area the conversion process in general is still faced with several processing challenges due to its inherent complexity. Recently, by integrating flash pyrolysis with catalytic gasification the need for post-processing of the product gas was reported to be avoided alongside a significant reduction in processing time (in the scale of milliseconds) via a process known as reactive flash volatilization (RFV)....   [tags: Oxygen, Chemical reaction, Chemical engineering]

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Investigation to find out if changes in concentration of acid affect the rate of a chemical reaction

- Investigation to find out if changes in concentration of acid affect the rate of a chemical reaction PLANNING – Title – Investigation to find out if changes in concentration of acid affect the rate of a chemical reaction. Introduction – The rate of reaction can be defined as the speed at which a reaction takes place. The rate of reaction tells us how quickly a chemical reaction has happened. There are many things that can affect the rate of reaction, (some of these are shown in figure 1 below.) In this coursework I am going to investigate what effect the change in acid concentration has on a chemical reaction....   [tags: GCSE Chemistry Coursework Investigation]

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The Rate of a Chemical Reaction When Changing the Concentration of Hydrochloric Acid

- The Rate of a Chemical Reaction When Changing the Concentration of Hydrochloric Acid I am going to investigate the effect of the concentration of the acid solution, Hydrochloric acid to see how this changes the rate of reaction. For my experiment I will use sodium thiosulphate as my constant and I will be changing the concentration of hydrochloric acid and water. I predict that as the concentration of hydrochloric acid increases, the rate of reaction also increases. I also think that the time taken for the experiment to finish will decrease as the concentration of the hydrochloric acid will increase....   [tags: Papers]

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Kinetics Of Catalysts Used By The Hydrotreatment Of Crude Oil

- Kinetics of Catalysts used in the Hydrotreatment of Crude Oil Jennifer Clark 12/12/2014 2 Table of Contents 1. Introduction ............................................................................................................... 3 2. Catalytic Kinetics ....................................................................................................... 4 3. Catalytic Deactivation ............................................................................................... 6 4. Diffusion of Residual Oil ..............................................................................................   [tags: Catalysis, Chemical reaction, Petroleum]

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2495 words | (7.1 pages) | Preview

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