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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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Concentrations Affects on Reaction Rates

- Concentrations Affects on Reaction Rates In the reaction between hydrochloric acid and magnesium, the hydrochloric acid will dissolve the magnesium and produce hydrogen gas. All chemical reactions involve reactants which when mixed do cause a chemical reaction which will make products. In my case, the reactants are hydrochloric acid and magnesium ribbon. The chemical reaction takes place when the magnesium ribbon is dropped into the hydrochloric acid. The products that are formed during this reaction are hydrogen gas and magnesium chloride....   [tags: Papers]

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Temperatures Influence on Reaction Rates

- Temperatures Influence on Reaction Rates For my first preliminary experiment, I had to investigate the affect of temperature of sodium thiosulfate and hydrochloric acid against rates of reaction. The chemical equation for this is: [IMAGE] Sodium thiosulfate + hydrochloric acid sodium chloride + sulfur dioxide + sulfur + water [IMAGE] Na2S2O3(aq) + HCL(aq) NaCl(aq) + SO2(aq) + S(s) + H2O(l) The solid sulfur (S(s)) formed in this reaction makes the colourless solution go cloudy....   [tags: Papers]

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Reaction Rates

- Reaction Rates The 4 factors that control the rate of a reaction are: * Concentration * Temperature * Surface area (substances size) * Catalyst CONCENTRATION. In this experiment I am going to find out how the rate of reaction between sodium thiosulphate and hydrochloric acid is affected by changing the concentration. REACTION: Sodium Thiosulphate + Hydrochloric acid [IMAGE]Equation: Sodium Thiosulphate + Hydrochloric acid Sodium Sulphate + Sodium Chloride + water + Sulphur + PPT This reaction usually produces a yellow precipitate....   [tags: Papers]

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The Affect of Changing the Concentration on the Rate of Reaction

- The Affect of Changing the Concentration on the Rate of Reaction To find out the affect of changing the concentration on the rate of reaction Scientific background Collision theory: Collision theory explains how chemical reactions occur and why rates of reaction differ. For a reaction to occur, particles must collide. If the collision causes a chemical change it is referred to as a fruitful collision and it's a Theory that explains how chemical reactions take place and why rates of reaction change....   [tags: Collision Theory Reaction Rates Essays]

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Chemistry Report: Experiment on Rates of Reaction

- Rates of Reaction CaCO3 + 2HCl → CaCl2 + H2O + CO2 In this report I will be suggesting my predictions on what the rates of reaction will be and what the actual rates of reaction are. I will do this by collecting data from experiments and I will show this by putting data into a table. The main aim of my experiment is to find the rate of reaction over time taken and the rate of reaction when the concentration of hydrochloric acid increases or decreases. I will try to make my experiment as accurate as I can....   [tags: chemistry experiment, lab report]

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Reaction rates of marble chips

- How can we speed up the reaction between Calcium Carbonate and Hydrochloric Acid. Contents 1. Plan  Aim  Equipment  Variable Factors  Prediction  Method  Trial Run 2. Results  Results Tables 3. Analysis and Conclusions  Graphs  Conclusions 4. Evaluation  Accuracy Of Results  Reliability  Improvements  Extending the Investigation 1....   [tags: essays research papers]

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What Affects the Rate of Reaction?

- What Affects the Rate of Reaction. Hypothesis To form a reaction the particles must collide in high speed. The faster the particles collide the more kinetic energy is produced. This produces a bigger reaction. There are five key variables that affect the rate of a reaction (in this case with a solid and a solution): * Change in temperature An increase in heat energy within the particles leads to more kinetic energy. Therefore there is more collision of particles and it increases the rate of the reaction....   [tags: Reaction Rates Energy Science Essays]

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Rates of Reaction

- Rates of Reaction Reactions Reactions can only occur when two different particles come together. The theory for the way the reaction occurs is called The Collision Theory. The collision theory states that that the different particles need to collide with each other in order to react. However, they do not react if they collide without sufficient energy, and therefore the more energy a particle has, the more likely it is to react. The activation energy is the minimum amount of energy required by a particle in order to react....   [tags: Papers]

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Rates of Reaction

- How concentration affects the rate of reaction Aim:To investigate how different concentrations of hydrochloric aci9d affect the rate of reaction on marble chip, (calcium carbonate). Background information: Different reactions take place at different rate. The measurement of the change can take place in a single unit of time; it can take seconds, minutes, hours and even days. It can be either fast or slow. Reaction rates are explained by the collision theory. The collision theory is explained by the rate of reaction....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- Rates of Reaction What is a rate of reaction. The amount of change of a product or reactant in a given time. What affects the rate. a) Concentration of solution (more likely to collide as more in same vol.) b) Temperature (increases speed of molecules, more exceed EA) c) Surface area (same as concentration) d) Pressure of gasses (same as conc.) e) Catalyst (guide particles to correct orientation + lowers EA) f) Others e.g. light(light = increase in speed of particles) How are rates altered....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- Rates of Reaction Introduction: In class we are doing an experiment on rates of reaction. We will do this experiment using the chemicals Calcium Carbonate and Hydrochloric acid, CaCo + Hcl. We will use five different concentrations of hydrochloric acid and find out which is the correct concentration to use with out in being too reactive or not reactive enough. For this experiment to work there are many things that must happen; The particles must collide together and the particles will then have enough energy to start a reaction....   [tags: Papers]

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Rates of Reaction

- Rates of Reaction The rate of reaction may be measured by following the loss of a reactant, or the formation of a product. The rate of reaction is just how fast it goes. We measure the rate of reaction by measuring the time taken for the reactants to be used up or products to be formed. A chemical reaction can only occur between particles when they collide. There is a minimum amount of energy which colliding particles need in order to react with each other....   [tags: Papers]

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Rates of Reaction

- Rates of Reaction Coursework. Introduction. In this piece of science coursework I will be experimenting how the rate of reaction between Sodium thiosulphate and hydrochloric acid is affected by the concentration of Sodium thiosulphate. I will measure the rate of reaction by mixing the different quantities of Sodium thiosulphate (50 - 10cm³) with a fixed quantity (5cm³) of hydrochloric acid in a Conical flask and placing the flask on top of a white sheet of paper with a cross clearly marked on it....   [tags: GCSE Chemistry Coursework Investigation]

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Rates Of Reaction

- Rates of Reaction BACKGROUND INFORMATION What affects the rate of reaction. 1) The surface area of the magnesium. 2) The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4) Presence of a catalyst. In the experiment we use hydrochloric acid which reacts with the magnesium to form magnesium chloride. The hydrogen ions give hydrochloric acid its acidic properties, so that all solutions of hydrogen chloride and water have a sour taste; corrode active metals, forming metal chlorides and hydrogen; turn litmus red; neutralise alkalis; and react with salts of weak acids, forming chlorides and the weak acids....   [tags: essays research papers]

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Rates of Reaction.

- Rates of Reaction Aim I will be investigating the rate of reaction (how quick a reaction takes) of Sodium Thiosulphate (Na2S2O3) and Hydrochloric Acid (HCl {aq}). There are different variables that can affect the rate of reaction. The different variables include Temperature, catalysts and concentration. In this piece of coursework, I'll be analysing the concentration. The products we get are Sodium Thiosulphate + Hydrochloric Acid --> Sodium Chloride + Water + Sulphur dioxide Na2S2O3 (aq) + 2HCl (aq)--> 2NaCl (aq) + H2O (l) + SO2 (g) + S (s) Apparatus ========= 1 Eye protection 2 measuring cylinders 1 White paper with bold black cross...   [tags: Papers]

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Rates of Reaction

- Rates of Reaction Planning ======== To measure the rates of reaction three variables were used. Firstly, a basic experiment was set up this was a delivery tube connecting a test tube filled with water in a bowl of water to a flask with calcium carbonate with a solution of hydrochloric acid. Various sizes of calcium carbonate was used (large, medium and powered particles) each variable was tested 4 times. As the particles and acid were mixed together the time was recorded to see how long the mass (test tube of water) took to decrease....   [tags: Papers]

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Rates of Reaction

- Rates of Reaction Prediction (Na2 S2 O3 + 2HCL ---> 2NaCl + SO2 + S + H2O) This is the equation for Sodium Thiosulphate reacting with 2 Molar of Hydrochloric Acid. There are a number of variables in the experiment which must be controlled in order for the experiment to be a fair test. These include temperature, which must be kept constant throughout the experiment or the results would not match. The experiment will be performed at room temperature (Around 25 degrees)....   [tags: Papers]

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Rates Of Reaction

- Rates Of Reaction Aim: To find out the effect of acid concentration in dilute hydrochloric acid and magnesium ribbon, and how much hydrogen gas is given off. Prediction: I predict that as the concentration of the hydrochloric acid increases the time taken for magnesium ribbon to dissolve will decrease. Apparatus: Saturated test tube Rubber bung Bowl water Magnesium ribbon Concentrated hydrochloric acid Plastic tube Stopwatch Conical flask Measuring cylinder The concentration of the acid is going to be my only variable....   [tags: Papers]

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Different Variables Changing the Rate of Reaction

- Different Variables Changing the Rate of Reaction To show that different variables can change the rate of reactions e.g. make them faster or slower. Theory: - That changing the variables in a reaction such as concentration, temperature and surface area will increase or decrease the rate of reaction. This would happen because, if you changed the concentration of a solution to a higher concentration the rate of reaction would increases, as there are more particles in the solution which means the particles would collide more....   [tags: Reaction Rates Science Gases Essays]

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Rate of Reaction of Dilute Hydrochloric Acid and Sodium Thiosulphate

- Rate of Reaction of Dilute Hydrochloric Acid and Sodium Thiosulphate To investigate the change in rate of reaction between DILUTE HYDROCHLORIC ACID and SODIUM THIOSULPHATE as the concentration varies. PLAN A chemical reaction takes place over a specific period of time i.e. which is the time for the reactants to be formed into the products. If the reactants take a relatively short time to form the products, the reaction is known as a FAST one. The RATE of that particular reaction is high. On the other hand, a reaction which takes a longer time is known as a SLOW reaction, and as a result is known to have a LOW rate of reaction....   [tags: Reaction Rates Chemical Reactions Essays]

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Rate of Reaction Between Marble Chips and Hydrochloric Acid

- Rate of Reaction Between Marble Chips and Hydrochloric Acid To investigate the factors which affect the rate of reaction between marble chips and hydrochloric acid, with one in specific detail. Scientific knowledge: Marble chips erode when they are exposed to acid rain or pollution. Erosion is evident when you look at older marble buildings as in certain cases the erosion take a long time. It is more likely to occur in areas, where there is more pollution. This is because there are a greater number of industries in city than in the countryside....   [tags: Reaction Rates Chemical Reactions Essays]

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Investigating Reaction Rates of Sodium Thiosulphate and Hydrochloric Acid

- Investigating Reaction Rates of Sodium Thiosulphate and Hydrochloric Acid Aim: To investigate the rate of reaction of Sodium Thiosulphate and Hydrochloric acid. In this investigation I will be varying the concentration of Sodium Thiosulphate only and not the Hydrochloric acid concentration. In this investigation I will use the following word equation: Sodium Thiosulphate + Hydrochloric acid In this investigation I will use the following symbol equation: Na2S2O3 + Hcl Prediction: I predict that as the Sodium Thiosulphate concentration increases the rate of reaction will also increase....   [tags: Papers]

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Reaction Rates of Sodium Thiosulphate and Hydrochloric Acid

- Reaction Rates of Sodium Thiosulphate and Hydrochloric Acid at Various Concentrations Introduction/ plan ------------------ I am experimenting into the reaction rates of Sodium Thiosulphate and Hydrochloric acid when under different concentrations. Both Sodium Thiosulphate and Hydrochloric acid are clear solutions but when they react together they produce a cloudy solution, the solution become so cloudy you cannot see through it. To measure the rate of reaction I am going to print off a cross from the computer onto a piece of paper, place it under the beaker with the solution in it and record the time taken for the cross not to be visible....   [tags: GCSE Chemistry Coursework Investigation]

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The Effects of Concentration on Rates of Reaction

- The Effects of Concentration on Rates of Reaction Plan: I am going to investigate the affects of concentration on rates of reaction. I will do this by investigating the affect that different concentrations of hydrochloric acid have on a certain amount of marble chips. I want to see how long it takes for a set amount of carbon dioxide to be given off once the acid starts reacting with the marble chips. For a chemical reaction to take place the reacting particles must: A) Collide with sufficient energy or force for a reaction to take place....   [tags: Papers]

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An Investigation Into Rates of Reaction

- An Investigation Into Rates of Reaction Aim: A study of the effect of changing the concentration of a solution on the rate of reaction. Prediction: The effect of changing the concentration of a solution, on the rate of a reaction. A concentrated solution can be made of dissolving a large amount of solute in a small amount of solvent. A dilute solution can be made by dissolving a little solute in a large amount of solvent. [IMAGE][IMAGE][IMAGE] A concentrated solution A dilute solution Table of results: Expt No Total Volume Concentration of sodium thiosulphate Volume of dilute hydrochloric acid Time 1st attempt (s) Time 2nd attempt (s)...   [tags: Papers]

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Rates of Reaction of the Halogenoalkanes

- Rates of reaction of the halogenoalkanes scientific knowledge and understanding: Halogenoalkanes are classified as either primary, secondary or tertiary. In primary halogenoalkanes the halogen atom is covalently bonded to a carbon atom which is bonded to one other carbon, to two other carbons in secondary and three others in tertiary. Apparatus for a reflux Increasing the size of the halogen atom in the halogenoalkane decreases the bond strength, increasing the reactivity of the molecule, as the bond is easier to break....   [tags: GCSE Chemistry Coursework Investigation]

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Investigation of the Rates of Reaction

- Investigation of the Rates of Reaction Aim: The aim of our experiment is to find out if the concentration of the hydrochloric acid will speed the reaction with magnesium powder Prediction: I predict that when I increase the concentration of the acid, the rate of reaction will increase as well. I also think that I will find this pattern that when the concentration is doubled the initial rate of reaction would double, so I expect my graph to look like a straight diagonal line....   [tags: Papers]

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Experiment on Rates of Reaction

- Experiment on Rates of Reaction Rates Of Reaction: The time taken for a reaction to take place. The speed of the reaction has a big effect on the time, e.g. time taken for concrete to set may take hours, days or even weeks. Factors: Temperature: The temperatures during the rates of reactions are important because they can change how quick the reaction takes place. · Increasing the temperature will cause the particles to move faster, with more energy. · They will therefore collide more often and with greater concentration....   [tags: Papers]

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Sodium Thiosulphate Rates of Reaction

- Sodium Thiosulphate Rates of Reaction Aim: We must produce a piece of coursework investigating the rates of reaction, and the effect different changes have on them. The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a chemical reaction. It is measured by dividing 1 by the time taken for the reaction to take place. There is five factors which affect the rate of a reaction, according to the collision theory of reacting particles: temperature, concentration (of solution), pressure (in gases), surface are (of solid reactants), and catalysts....   [tags: Papers]

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Sodium Thiosulphate Rates of Reaction

- Sodium Thiosulphate Rates of Reaction During this investigation I am going to investigate the rates of reactions and which changes will affect this rate. A rate of reaction is when a reactant is lost or a new product is formed during a chemical reaction. I am going to investigate the effect of concentration by mixing Sodium Thiosulphate, Hydrochloric Acid and H2O (water) until the reaction takes place and the mixture goes cloudy and the newspaper beneath the flask can no longer be read....   [tags: Papers]

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Investigation of Rates of Reaction

- Investigation of Rates of Reaction I am going to investigate the rate of reaction with magnesium and different concentrations of hydrochloric acid. In order to carry out the experiment, I will need the correct apparatus which are: * Goggles * Stop clock * Beaker · 30 cm3 measuring cylinder · 5x70mm magnesium ribbons · 1, 1.5, 2, 2.5, 3 mol./dm3 hydrochloric acid · Gas syringe Next, the apparatus has to be set out, whi...   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim: To investigate the effect of changing the concentration of dilute Hydrochloric acid on the reaction between dilute Hydrochloric acid and Sodium Thiosulphate. Prediction (a): I predict that the more concentrated the acid is going to be the quicker the rates of reaction is going to happen. Prediction (b): This is because when there are more particles there would be more collision between the particles, Sodium Thiosulphate solution (Na2S2 O3 (aq)) and dilute Hydrochloric acid (HCL (aq))....   [tags: Papers]

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Rates of Reaction Experiment

- Rates of Reaction Experiment INTRODUCTION This experiment is called ‘rates of reaction’, I will be partaking in this experiment to find out what factors effect the ‘rate of reaction’ between magnesium (strips) and hydrochloric acid. Each time I repeat the experiment, I will be adding 0.5 moles of hydrochloric acid and recording the volume of gas given out during the testing and record the time it takes to give the reaction needed. A reaction is taken place within the experiment because there is a collision of particles in each element....   [tags: GCSE Chemistry Coursework Investigation]

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Investigating Rates of Reaction

- Investigating Rates of Reaction Aim: The aim of this experiment is to analyse and understand rates of reaction. In order to understand this, I have experimented using different concentrations of hydrochloric acid and magnesium strips. Timing how long it takes for the magnesium to dissolve. This experiment and following information will give me a clear understanding of this Preliminary work: Before this experiment, we carried out a number of other experiments in order to investigate the affect of things like concentration and temperature had on a reaction between an acid and usually marble....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation AIM: - To investigate the effect of concentration of acid on the rate of reaction between marble chips (CaC03) and excess Hydrochloric acid (HCL). RATE: - Rate is a measure of the change that happens in a single unit of time. This change can be of any suitable unit of time (a second, a minute, an hour or even a day). Hence rate is a measure of how fast or how slow something is. Example, a money-printing machine can print bills at the rate of, 25 copies per second....   [tags: Papers]

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Investigating Rates of Reaction

- Investigating Rates of Reaction Aim --- The aim is to investigate the effect of changing the concentration of sodium thiosulate on the rate of the reaction between sodium thiosulphate and hydrochloric acid. Prediction ---------- I think that increasing the concentration will increase the rate of reaction. This is because in order for a chemical reaction to occur particles must collide with sufficient energy to react. This is the activation energy. If the particles do not have enough energy when they collide, they simply bounce off each other....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation I must produce a piece of coursework investigating the rates of reaction, and the effect different changes have on them. The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a chemical reaction. It is measured by dividing 1 by the time taken for the reaction to take place. There is five factors which affect the rate of a reaction, according to the collision theory of reacting particles: temperature, concentration (of solution), pressure (in gases), surface are (of solid reactants), and catalysts....   [tags: Papers]

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Rates of Reaction Experiment

- Rates of Reaction Experiment Introduction/Aim: This coursework is about the investigation of the effect of concentration on the rate of reaction between Sodium Thiosulphate (Na2S2O3) and Hydrochloric acid (HCL) by simply changing the concentration of Sodium Thiosulphate. I made a set of results which were obtained by using the method of 'precipitation'. This is when the product of the reaction is a precipitate, which clouds the solution. One observes a marker through the solution and measures how long it takes for it to disappear....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Chemistry ========= Planning ======== Procedure ========= In my investigation, I will be trying to find out what affects the rate in which magnesium reacts with hydrochloric acid. I will be putting a small piece of the metal magnesium into a test tube of hydrochloric acid. However, each time I do so, the concentration of the acid will be different. To be safe in this experiment I will be using safety goggles at all times, my hair will be tied back and test tubes will all be put in a test tube rack so that there are no accidents....   [tags: Papers]

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Rates Of Reaction Investigation

- Rates Of Reaction Investigation Aim: The aim of this investigation is to investigate the rate of reaction between sodium thiosulphate and Hydrochloride acid Reaction: The reaction we are studying is the affect of concentration on the rate of reaction. We will change the concentration of the Sodium thiosulphate by diluting it with water. [IMAGE]Equation: Sodium thiosulphate +Hydrochloric acid Sulphur Dioxide + Sulphur + sodium chloride + Water [IMAGE]Na2s2o3 + 2Hcl So2 + S + 2nacl + H2o Process: When the hydrochloric acid is added to the sodium thiosulphate, precipitate is formed, which makes the reactants go opaque, some gasses are produced and some water is...   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim:Investigating the rates of reaction with temperature - Sodium Thiosulphate (Na2S2O3) & Hydrochloric Acid (2HCl). Equipment list: Conical flask Sodium Thiosulphate Hydrochloric Acid Water Water bath Stopwatch Paper Pen Measuring Tubes Method:I am going to do 5 tests & each test will be performed 3 times to get an average result. I will put 50ml of Sodium Thiosulphate, 40ml water & 10ml of Hydrochloric Acid separately in a water bath then leave it for 5 min's so they get to the right temperature....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Reactions happen when the reactant particles collide and turn into a product. Sodium and chlorine, when reacted, they give us a compound Sodium Chloride (salt). Chemical reactions can be very difficult to undo. When metal rust this is a slow reaction, however burning, this is very quick. A speed on which the reaction takes place is called and rate of reaction. There are many ways on which to speed up the reaction. The most common is to speed up the collision between the particles....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim: To investigate how changing the concentration of hydrochloric acid affects the rate of reaction between hydrochloric acid and calcium carbonate. Hydrochloric acid + Calcium Carbonate = Calcium chloride + Carbon Dioxide + Water 2HCl CaCO3 CaCl2 CO2 H2O Introduction: As part of my chemistry GCSE course, I will be investigating the rate of the above reaction. I will use scientific knowledge to help me understand the science behind the reaction and I will also conduct a preliminary experiment to find out suitable measurements of reactants to be used in the main investigation....   [tags: Papers]

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Rates of Reaction Experiment

- Rates of Reaction Experiment Rate of reaction means the rate of formation of a product/disappearance of a reactant, this is useful because we can time the different concentrations reacting with the acid, and give each of them a rate, based on the formula rate = 1/time. Rate of reaction is what we use to measure how quickly a reaction takes to reach a certain point in the reaction in this case it is when it gets to certain cloudiness. In this investigation, we will need to measure the time of the reaction, so we can make a rate for it, to do this we use the formula, - rate = 1/time * 1000, we use the *1000 so that it is a manageable number to plot on a graph if ne...   [tags: Papers]

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Investigating Rates of Reaction

- Investigating Rates of Reaction A reaction is when the particles from two substances react together to form or give off a new substance. The rate of reaction is how fast or how slow a reaction goes. Plan ==== For this investigation, I am going to investigate how concentration affects the rate of a reaction. To do this I am going to use marble chips (CaCO3 ) and Hydrochloric acid (HC1) along with water (H2O) and record how long it takes for the marble chips to react with several concentrations of acid, after a certain length of time....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim The aim of my investigation is to prove that changing the surface area of calcium carbonate chips, either by increasing or decreasing, will affect the rate of reaction between the calcium carbonate and hydrochloric acid, i.e. the rate of carbon dioxide being produced by the reaction will increase/decrease. Plan I will do this by conducting a simple experiment of calcium carbonate reacting with hydrochloric acid and recording how much carbon dioxide is being produced every one minute....   [tags: Papers]

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Rates Of Reaction Investigation

- Rates Of Reaction Investigation Plan: This experiment is planned to investigate the rate of reaction when mixing Copper sulphate (CuSO4) with Zinc powder (Zn). My plan is to see what happens before, during and after the reaction takes place. I will need the following equipment to carry out this investigation: Ø A 50ml marked measuring tube Ø A digital precision scale Ø 600ml of copper sulphate Ø A digital thermometer Ø A pot of Zinc powder Ø A sandpaper (to sand the Copper sulphate off the thermometer) Ø A pen and a paper (to record results.) Ø A beaker (to mix the elements) Ø A stirring stick For the first preliminary results chart, the...   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim The aim of the experiment is to find out the how long it would take for Hydrochloric acid to react with Sodium Thiosulphate to make an opaque solution that will obscure the vision of seeing a cross drawn on a piece of paper below the solution. This will prove that, either, it will take longer for a chemical to react when heated or it will take slower for a chemical to react when heated. Equipment · 5cm cubed of Hydrochloric acid · 10cm cubed of Sodium Thiosulphate · 40cm cubed of water · Beaker · Paper with cross on · Bunsen burner · Safety Goggles · Heat proof mat....   [tags: Papers]

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Investigating Rates of Reaction

- Investigating Rates of Reaction The rate of a reaction is the speed of the reaction. It is not "how much" of a product is made, but instead "how quickly" a reaction takes place. If we consider a reaction e.g. zinc + hydrochloric acid -> zinc chloride + hydrogen Then there are two possible ways of measuring the rate: 1) Measure how quickly one of the products (e.g. the hydrogen) is formed. 2) Measure how quickly one of the reactants (e.g. the zinc) disappears. In this investigation I hope to look at the factors, which affect the rate of reaction between magnesium ribbon and hydrochloric acid....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation In this experiment we will try to find out whether increasing the amount of sodium thiosulphate would increase the rate of reaction. Theory ====== It is known that the more sodium thiosulphate there is in the flask the quicker the reaction will be. This is because there are there are more molecules in the container and so there are more collisions in the molecules. (See diagram below for further explanation) [IMAGE] [IMAGE] = Hydrochloric acid (stays the same) = Sodium thiosulphate (doubles from flask A to flask B) As you can see there are more particles in flask B and so therefore there are more collisions than...   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation You are to plan obtained evidence, correctly presented and use it to draw conclusions and evaluate your work. You are to study the effect of concentration on the reaction of hydrochloric acid and sodium Thiosulphate. This reaction produces a white solid witch clouds the mixture. (The scientific word for this is precipitate.) The gas sulphur dioxide is produced. Prediction: I predict that as the water dilutes the volume of the thiosulphate, it will take longer for it to change into a cloudy mixture....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim In my investigation I am trying to find out how concentration affects the rate of reaction. Introduction In my experiment I intend to see how long it takes for a solution of Hydrochloric acid and Sodium Thiosulphate to go cloudy. Then I will dilute the Sodium Thiosulphate by adding water. However I will keep the concentration of Hydrochloric acid the same. I will check to see how this affects my experiment. Here is the word equation for my experiment below....   [tags: Papers]

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Rates of Reaction Investigation

- Rates of Reaction Investigation Aim - We are trying to see what effect changing light intensity has on the volume of oxygen produced. Prediction - Photosynthesis is where a plant uses sunlight, carbon dioxide and water to produce oxygen and glucose. The equation for this is: Carbon dioxide = water ====== glucose = oxygen I predict that as the lamp is placed further away from the plant the amount of oxygen produced will decrease. The factors that will affect the rate of photosynthesis are the amount of sunlight, the amount of carbon dioxide and water....   [tags: Papers]

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Rates of Reaction

- An Experiment to show the reaction between Hydrochloric acid and Calcium Carbonate Introduction Hydrochloric acid + Calcium Carbonate Calcium Chloride + Carbon Dioxide + Water 2HCl(aq) + CaCO3(s) CaCl2(aq) + CO2(g) + H20(l) In this experiment we will be investigating the variables that can affect the speed of reaction between hydrochloric acid and calcium carbonate. During this experiment carbon dioxide is produced. This is what we are going to use to record the speed of reaction, for the faster the reaction the faster carbon dioxide is produced....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- How does temperature affect the rate of reaction between sodium thiosulphate and hydrochloric acid. Temperature and Rate of Reaction Question How does temperature affect the rate of reaction between sodium thiosulphate and hydrochloric acid. sodium thiosulphate + hydrochloric acid sodium chloride +water + sulphur dioxide + sulphur Na2S2O3(aq) + 2HCl(aq) 2NaCl(aq) + H2O(l) + SO2(aq) + S(s) Prediction I predict that the higher the temperature, the more quickly reaction will occur. This is because with heat, the particles of sodium thiosulphate and hydrochloric acid have more energy....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- The rate of reaction is a measure of how fast something happens. We can find the rate of reaction by measuring the change that happens in a set period of time. Introduction ------------ The rate of reaction is a measure of how fast something happens. We can find the rate of reaction by measuring the change that happens in a set period of time. Many factors can affect the rate of reaction; the concentration of the reactants is one of them. In the following experiments we will investigate how the concentration of the reactants affect the rate of reaction....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- The affect of varying hydrochloric acid concentration of on the rate of reaction with sodium thiosulphate Background knowledge:The equation of this reaction is Na2S2O2+ 2HCl ± 2NaCl + H2O + SO2+ S A reaction is a process by which a substance or substances change to produce a new substance or substances. Rate of reaction is the speed at which products are formed and reactants disappear during a chemical reaction. The rate will be measured by following the production of sulphur. The rate of reaction is affected by temperature, surface area, concentration and catalysts....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- Investigating the rate of reaction between sodium thiosulphate and hydrochloric acid I am going to measure the rate of the reaction when hydrochloric acid is added to sodium thiosulphate. I am going to investigate what effect the concentration of the sodium thiosulphate has on the reaction rate. When sodium thiosulphate and hydrochloric acid are mixed, a yellow precipitate of sulphur is produced. The solution becomes increasingly difficult to see through as more and more sulphur is formed. This is how I plan to measure the rate of the reaction....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction

- Whether the strength of Hydrochloric acid will affect the speed of the rate of reaction when reacting with Magnesium Ribbon. I want to find out whether the strength of Hydrochloric acid will affect the speed of the rate of reaction when reacting with Magnesium Ribbon. Variables There are two important independent variables in my investigation the first of which is the concentration of the Hydrochloric Acid used during the investigation. The concentration of the acid will partly determine how fast the reaction takes place, if we put some of the magnesium ribbon into the HCL at 2molar then it might have simply dissolved within a few seconds and then I would not have had time to record down a...   [tags: GCSE Chemistry Coursework Investigation]

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The Effect of Sodium Thiosulphate on the Rates of Reaction

- The Effect of Sodium Thiosulphate on the Rates of Reaction Introduction In my experiment I will investigate how the rate of reaction of Sodium Thiosulphate will be affected by the change in its concentration. But before this I carried out a trail experiment to see which solution, Sodium Thiosulphate or Hydrochloric acid would be more suitable. My Trail Experiment Method was to first collect all of the equipment needed, then I measured out the right amounts of each solution by measuring from the bottom of the meniscus....   [tags: Papers]

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Link Between Concentration and Rates of Reaction

- Link Between Concentration and Rates of Reaction Aim In my investigation I am going to investigate the link between concentration and rates of reaction. The other things that affect the rate of reaction are temperature, surface area and the use of catalysts. However I could not try to do my experiment with these variables because the chemicals I am using are liquid which therefore means I am unable to vary the surface area, temperature would vary slightly therefore it would be unlikely I would get very accurate results and catalysts are too expensive to use....   [tags: Papers]

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The effect of temperature on rates of reaction

- I intend to investigate if the rate of a chemical reaction changes as the temperature increases. There are many other variables, which can be changed in some way to effect the reaction, some are listed below: - - Volume of Sulphuric acid - Concentration of Sulphuric acid - Initial temperature of Sulphuric acid - Motion of liquid (speed of stirring) if concentration of acid is studied - Amount and size of magnesium - Purity of magnesium - The extent of oxidation on the surface of magnesium - Addition of catalysts - Size of container - Temperature of surrounding environment - Pressure at which reaction is conducted - Insulation of the beaker where experiment takes place - Height...   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction - Magnesium and HCL

- Rate of reaction of Magnesium and HCL In order to find a good set of results for this experiment I need to decide what molars i am going to use, and also how i will make them. Once i have found which molars i would like to use i will give evidence of why i have chosen them, i will also decide which variables are important to considerm e.g The Values of Mg, Volume of acid. I also need to think about how i am going to measure the speed of the reaction in order to get a table of reliable results. Plan · Equipment needed for experiment: · Bowl · Hcl · 2 Measuring cylinders (1 big/1 small) · Mg strips · Flask · Beaker · Tube · Stop clock · Goggles · Beehive shell Step One All of the above equ...   [tags: GCSE Chemistry Coursework Investigation]

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Investigating the rates of reaction of Sodium thiosulphate and hydrochloric acid

- Investigating the rates of reaction of Sodium thiosulphate and hydrochloric acid Using my preliminary experiments I decided on using the following apparatus: - A conical Flask - A piece of White Paper marked with a black cross - Dilute hydrochloric acid - Sodium thiosulphate - Water - Measuring cylinder We must produce a piece of coursework investigating the rates of reaction, and the effect different changes have on them. The rate of reaction is the rate of loss of a reactant or the rate of formation of a product during a chemical reaction....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction - Hydrochloric Acid and Dodium Thiosulphate

- Rates of Reaction - hydrochloric acid and sodium thiosulphate Planning This investigation is about rates of reaction and what affects them. In this case I am going to look at hydrochloric acid and sodium thiosulphate which is a precipitation reaction. They react as in the equations below: sodium thiosulphate + hydrochloric acid -> sodium chloride + sulphur + sulphur dioxide + water Na2S2O3(aq) + 2HCl(aq) -> 2NaCl(aq) + S(s) + SO2(g) + H2O(l) A reaction will only occur where the particles of the reactants meet and combine....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of reaction:- sodium thiosulphate + hydrochloric acid

- Rates of reaction:- sodium thiosulphate + hydrochloric acid Plan:- We must produce a piece of coursework investigating the rates of reaction, and the effect that changing one particular variable has on the reaction time. The rate of reaction is the time it takes one or more of the reactants to react or the time it takes to produce a new product from a chemical reaction. To work out the reaction time we use the formula. 1 divided by time taken for reaction There are five factors which affect the rate of a reaction, according to the collision theory of reacting particles: 1....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of Reaction - Sodium Thiosulphate and Hydrochloric acid

- Rates of Reaction - Sodium Thiosulphate and Hydrochloric acid In this piece of coursework, I will study how concentration affects the rate of reaction. I will do so by timing the reaction of Sodium Thiosulphate with an acid. In this coursework, I will include background knowledge, prediction, safety, results, calculations, graphs, an analysis, conclusion and an evaluation. In my evaluation I will comment on how reliable my results were and how I could have improved my coursework in any possible way....   [tags: GCSE Chemistry Coursework Investigation]

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The Activation Energy of Bromide ion and Bromate ion

- The Activation Energy of Bromide ion and Bromate ion To Determine the Activation Energy of the Reaction between Bromide ion and Bromate (V) ion in Acid Solution Objectives: By reacting Potassium Bromide and Potassium Bromate in the acid solution in varies temperature, we can then determine the Activation Energy of the reaction in different temperature through the equation:[IMAGE]. Questions: 1. Give an equation for the reaction between phenol and bromine. 2. What is the use of methyl orange in this experiment....   [tags: Chemical Reactions Reaction Rates Essays]

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Comparing the Reaction Rates Between Potato and Hydrogen Peroxide Against Liver and Hydrogen Peroxide Through Loss in Mass

- Comparing the Reaction Rates Between Potato and Hydrogen Peroxide Against Liver and Hydrogen Peroxide Through Loss in Mass Background information: Catalase is an enzyme that is found in all cells. This means that it is an intracellular enzyme. And enzyme is a biological catalyst. A catalyst is some thing that speeds up a reaction without being changed itself. Because of this enzymes and catalysts can be used again and again. Enzymes are protein chains that have a primary, secondary and tertiary structure....   [tags: Papers]

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Does Concentrated Acid or Diluted Acid React Faster?

- Does Concentrated Acid or Diluted Acid React Faster. Plan I am going to carry out a reaction between Magnesium ribbon and Hydrochloric acid. The aim of this investigation is to work out which reacts faster, concentrated acid or diluted acid. I will judge if the reaction is fast or slow by observing the bubbles which occur during the reaction and also observe if the Magnesium has disappeared. Only the concentration of the acid will be changed - the Magnesium is a solid. Magnesium + Hydrochloric Acid Magnesium Chloride + Hydrogen Mg(s) + 2HCl(aq) MgCl(aq) + H2 (g) There are four main factors which may affect rate of reaction....   [tags: Science Experiments Reaction Rates Essays]

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Rates of Reaction - The concentration of hydrochloric acid and the rate of reaction with sodium theosulphate

- Rates of Reaction - The concentration of hydrochloric acid and the rate of reaction with sodium theosulphate Introduction During a chemical reaction, particles collide with each other. This collision causes certain bonds to break and new ones to be formed. A certain amount of energy is needed to allow a reaction to take place. This is called the activation energy; it’s the minimum quantity of energy that is required. There are certain factors that can affect the rate of reaction. These are surface area, temperature, concentration and catalysts....   [tags: GCSE Chemistry Coursework Investigation]

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Investigating the Rates of Reaction Between Hydrogen Peroxide and Manganese Dioxide

- Investigating the Rates of Reaction Between Hydrogen Peroxide and Manganese Dioxide Aim: My aim for this investigation is to find out how concentration affects the rate of reaction between hydrogen peroxide and manganese dioxide. Equipment List: Syringe filled with water (gas collector); Conical flask; Manganese dioxide powder; Hydrogen Peroxide liquid; Measuring cylinder (5 ml); Timer; Clamp and Stand; Cork; Glass (delivery) tube; Water Basin with water; Electronic Scales....   [tags: Papers]

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Effect of Concentration on the Rates of Reaction Between Hydrochloric Acid and Marble Chips

- Effect of Concentration on the Rates of Reaction Between Hydrochloric Acid and Marble Chips Aim; To investigate how changing the concentration of Hydrochloric Acid affects the Rate of Reaction of producing 20cm³ of Carbon Dioxide with Marble Chips. HCl +calcium carbonate => calcium chloride + carbon dioxide + water. HCl (aq) +CaCO3(s) => CaCl2 (aq) +CO2 (g) +H2O (l) Theory; All substances are made up of millions of particles. These particles may be atoms, molecules or ions....   [tags: Papers]

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Lab Report: How Concentration Affects Rates of Reaction

- Decomposition of sodium thiosulphate Aim: The aim or purpose of this investigation is to explain how concentration affects the rate of reaction (the decomposition of sodium thiosulphate in reaction with hydrochloric). I will now give a simple definition of what rate of reaction actually is. Definition: The rate of a chemical reaction is defined as the change in the concentration of one of the reactants or products in unit time. I will now display my preliminary work. Preliminary: I did a preliminary (trail) test to supply a source and to give a better perspective of the real experiment I am directed to carry out which is the decomposition of sodium thiosulphate....   [tags: essays research papers]

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Sodium Thiosulphate Investigation

- Sodium Thiosulphate Investigation Aim: To investigate how the concentration of hydrochloric acid affect the rate of reaction. Background: Sodium Thiosulphate reacts with hydrochloric acid to form a yellow precipitate. The word equation for this is : Sodium Thiosulphate + Hydrochloric acid = Sodium Chloride + Sulphur + Water The chemical equation for this would be Na2S2O3 + 2HCl = 2Nacl + S + H2O + So2 When dilute hydrochloric acid (colourless) is added to sodium thiosulphate the solution gradually becomes cloudy as a result of the solid sulphur....   [tags: Science Experiments Reaction Rates Essays]

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Rates of Reaction - The concentration of hydrochloric acid and the rate of reaction with sodium theosulphate

- Rate of Reaction After doing my pilot run, i think that my method and apparatus used should be mostly the same: Apparatus - 1 conical flask - 1 lamenated 'x' - 3 test tubes - 1 thermometer - 1 stop watch - 3 pipettes Method: 1. Measure 10ml of 0.2mol/dm3 or 0.2moldm-3 sodium thiosulphate 2. Pour it into the conical flask 3. Add 40ml of distilled water for dillution. 4. Then add 5cm3 of dilute hydrochloric acid of concentration 2mol/dm3 at room temperature 5. Record the temperature of the mixture....   [tags: GCSE Chemistry Coursework Investigation]

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Rates of reaction. Before I carry out my experiments I will have to draw up a plan to ensure that the experiments are carried out properly. Below is a

- Science Coursework Plan I have been set a task to investigate the rates of reaction. Before I carry out my experiments I will have to draw up a plan to ensure that the experiments are carried out properly. Below is a few things that is essential in a plan: 1) Factors: I must have a factor for everything. 2) Explain Factor: I must explain all of the factors. 3) Explain Concentration: I must explain how much concentration I put in to my investment. 4) Preliminary Experiment: This document describes identified hazards of an experiment and the measures taken to eliminate, control or mitigate them....   [tags: Papers]

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Taking a Closer Look at Reaction Rate

- Reaction Rate is the measure of how quickly an organism’s neurons can communicate or react to a type of stimulus. In other words it is how fast an organism’s neurons can send signals to the brain and from the brain. The anatomy of a classic neuron is rather simple. A classic neuron comprises of a body and a tail. The body has a nucleus with arms protruding outwards, these are called dendrites. Dendrites are the postsynaptic neurons for synaptic communication, they receive neurotransmitters from the presynaptic neurons....   [tags: neuron reaction]

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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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