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Your search returned over 400 essays for "reaction paper"
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Investigation of How Temperature Affects the Rate of Reaction of Sodium Thiosulphate and Hydrochloric Acid - Investigation of How Temperature Affects the Rate of Reaction of Sodium Thiosulphate and Hydrochloric Acid I am going to investigate how temperature affects the rate of the reaction of sodium thiosulphate and hydrochloric acid. WORD EQUATION Sodium thiosulphate + Hydrochloric acid [IMAGE] Sodium chloride (salt) + Sulphur + Water + Sulphur dioxide CHEMICAL EQUATION Na2S2O3 + 2HCl [IMAGE] 2NaCl + S + H2O + SO2 The temperature of the sodium thiosulphate will be changed by heating the solution to a known temperature....   [tags: Papers] 891 words
(2.5 pages)
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Rate of Reaction Investigation - Rate of Reaction Investigation 2HCL + NA²S²O³ à + 2NaCL Hydrochloric acid + Sodium thiosulphate à Sulphur + Sodium chloride + S0² + H²0 + Sulphur dioxide + Water Collision Theory For this experiment we can use the collision theory. Collision theory explains how chemical reactions occur and why rates of reaction differ. When particles collide, they may react. A reaction occurs when particle is facing in the correct direction and the collision has enough energy....   [tags: Papers] 701 words
(2 pages)
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Investigating the Effect of Concentration on the Speed of the Reaction Between Hydrochloric Acid and Sodium Thiosulphate - Investigating the Effect of Concentration on the Speed of the Reaction Between Hydrochloric Acid and Sodium Thiosulphate Prediction: My prediction is, the higher the concentrations, the faster the reaction will occur in my experiment to make the x on the sheet on paper disappear. When there is more concentration, the molecules gain kinetic energy & the process of collision occurs. This causes the reaction to happen more rapidly therefore making a cloudy substance much quicker....   [tags: Papers] 1040 words
(3 pages)
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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] 847 words
(2.4 pages)
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How the Concentration of Sodium Thiosulphate Influences Speed of Reaction with Dilute Hydrochloric Acid - How the Concentration of Sodium Thiosulphate Influences Speed of Reaction with Dilute Hydrochloric Acid Aim: I am investigating how the concentration of sodium thiosulphate influences the speed of reaction with dilute hydrochloric acid. Equipment ========= * 1 piece of paper with a cross on it * 1 timer * 1 conical flask 100ml * 1 test tube brush * 119ml Sodium thiosulphate * 14ml 100% Hydrochloric acid * 1 beaker 400ml * 1 beaker 10ml 1....   [tags: Papers] 540 words
(1.5 pages)
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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] 2225 words
(6.4 pages)
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Rate of Reaction Investigation - Rate of Reaction Investigation Aim To investigate how changing the concentration of a reactant (sodium thiosulphate) affects the rate of reaction, and why. Prediction I predict that increasing the concentration of the reactant will increase the rate of reaction. This is because as the concentration of the solution increases, the numbers of particles present increases, in the same volume. This means the particles are closer together and there is a greater possibility of a collision and reaction....   [tags: Papers] 744 words
(2.1 pages)
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Rate of Reaction Investigation - Rate of Reaction Investigation Plan In this experiment I will be investigating the rate of reaction and the time taken for a 1cm strip of magnesium to entirely disappear in a container of hydrochloric acid. The equation for this reaction is magnesium + hydrochloric acid or Mg(s) + 2HCL = MgCl2 (aq) + H2 (g) For experiment my input variable will be the concentration of Hydrochloric acid, so I will be using a concentration scale of 1-2 mol dm-3. My prediction is that the higher the concentration of hydrochloric acid the faster the rate of reaction will be....   [tags: Papers] 1184 words
(3.4 pages)
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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] 488 words
(1.4 pages)
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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] 1085 words
(3.1 pages)
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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] 1620 words
(4.6 pages)
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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] 1149 words
(3.3 pages)
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The Rate of Reaction in the Reaction Between Hydrochloric Acid and Sodium Thiosulphate - To see how the concentration of acid affects the rate of reaction in the reaction between hydrochloric acid and sodium thiosulphate. Planning; Aim To see how the concentration of acid affects the rate of reaction in the reaction between hydrochloric acid and sodium thiosulphate. Background; All reactions occur because of the particles that make up the reactants will collide, and if they have sufficient energy, react forming or breaking bonds. All four methods of increasing the rate of reaction can be explained in terms of increasing the number of collisions....   [tags: Chemistry]
:: 8 Works Cited
2300 words
(6.6 pages)
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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] 1047 words
(3 pages)
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Investigate the effect of temperature on the rate of reaction - To investigate the effect of temperature on the rate of reaction Background Information: Chemical reactions take place all the time at many different rates, some are incredibly fast like an explosion-where you get no time to see what's happening or like rusting which could take years before the iron is completely rusted. The rate of reaction is extremely important because you need to know how long before the end of the session or you may not get results in time. In living organisms it's vital that all the chemical reactions take place at the rates which supply the cells with the things they need exactly when they need them....   [tags: GCSE Chemistry Coursework Investigation] 3176 words
(9.1 pages)
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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] 508 words
(1.5 pages)
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Investigating Factors that Affect the Rate of a Reaction - Investigating Factors that Affect the Rate of a Reaction Aim === To investigate the rate of reaction when you combine the chemicals sodium thiosulphate and hydrochloric acid at different temperatures. Prediction ========== My hypothesis is that the higher the temperature the lower the amount of time taken for the reaction to take place and therefore the lower the temperature the longer the time will take for the reaction to take place. The reason that I think this is because I know that the higher the temperature the faster the particles will move....   [tags: Papers] 967 words
(2.8 pages)
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Reaction of Hydrochloric Acid and Sodium Thiosulphate - Reaction of Hydrochloric Acid and Sodium Thiosulphate In this investigation I am going to investigate how fast the chemicals Hydrochloric Acid and Sodium Thiosulphate react. The four main variables that affect rate are: * Temperature - if the reactants are heated/cooled they have more/less energy. If they have more energy there is greater chances of successful collisions meaning the reaction occurs faster. * Concentration - if the solution is more concentrated there are more reactants there is a greater chance of successful collisions....   [tags: Papers] 982 words
(2.8 pages)
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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] 1334 words
(3.8 pages)
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Investigating the Effect that Concentration Has on a Reaction - Investigating the Effect that Concentration Has on a Reaction INTRODUCTION ============ Aim- to investigate the effect that concentration has on a reaction on these factors: * Temperature rise * Heat evolved * Heat given off due to the neutralization between Hydrochloric Acid and Sodium hydroxide solution. Neutralization takes place when acids react with substances called bases. When they react their acidity is cancelled out, and the reaction always produces a salt and water....   [tags: Papers] 3728 words
(10.7 pages)
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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] 1375 words
(3.9 pages)
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The Effect of the Concentration of Acid on the Rate of Reaction - The Effect of the Concentration of Acid on the Rate of Reaction Aim: To find out how the concentration of an acid affects the rate of reaction. I am reacting different concentrations of HCL acid with the same concentration of sodium thiosulphate. I predict the HCL acid which is 2m, will react faster with the sodium thiosulphate. I know this because of concentration, all the particles have kinetic energy and in order for a chemical reaction to occur, particles in a solution need to collide into one another with sufficient force and energy....   [tags: Papers] 684 words
(2 pages)
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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] 1066 words
(3 pages)
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How Concentration affects the rate of reaction - How Concentration affects the rate of reaction I am investigating the rates of reaction and how the different variables can affect it. I know that the temperature, a catalyst, concentration, the surface area, light and pressure of a gas can affect the rate of reaction. In this particular experiment I am going to investigate on how the concentration of one of the reactants affects the rate of reaction. To show that the concentration does affect the rate of reaction I am going to carry out the reaction of sodium thiosulphate and hydrochloric acid....   [tags: GCSE Chemistry Coursework Investigation] 4726 words
(13.5 pages)
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The Effect of Hydrochloric Acid on the Rate of Reaction - The Effect of Hydrochloric Acid on the Rate of Reaction Sodium thiosulphate + hydrochloric acid ―› sodium chloride + sulphur + water + sulphur dioxide Na S O + 2HCl ―› 2NaCl + F + H2o + SO2 Preliminary Investigation: Before we carried out our investigation in full, we needed to do some preliminary work to prove that the variables we were changing were suitable, the concentrations of hydrochloric acid would not take too long or short a time and to discover what range of values would be needed on apparatus such as the conical flask....   [tags: Papers] 1779 words
(5.1 pages)
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A Student's Reaction to Used Car Websites - A Student's Reaction to Used Car Websites Getting a used car instead of a new car is becoming a trend in America today. People do not want to spend money for new cars cause of the fact that cars’ values diminish significantly. This is exactly what my friend thought when he bought his used Acura CL 2.3 Coupe 2D for 13,500 dollars last years from a local dealer. Now the question is whether the price he paid really makes sense considering the current options and conditions of the car. Unfortunately, my friend didn’t even do any research before he bought this car....   [tags: Sell Websites Buy Web Sites] 1521 words
(4.3 pages)
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Creation and Verification of Paper Based Certificates with Signatures - CREATION AND VERIFICATION OF THE PAPER BASED CERTIFICATES WITH SIGNATURE. Creation of Signature on the issuing Certificate According to Murthy et al. (2011), the vital information that has to input in this paper such as Unique no, Reg no, first name, middle name, last name, Father’s name, passing year and obtained marks) need to be considered as an input m. Then after, m is hashed with a secure hashing algorithm (SHA-1) to create a hash value md. The hash value md is then encrypted using the issuing authority private key and the digital signature is found to be encrypted value (ds)....   [tags: security, forgery, scanner] 1603 words
(4.6 pages)
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Introduction to Fiction Final Paper - Introduction to Fiction Final Paper Introduction: I will try to show that Fenstad's mother is going through a change during this story. At first she is described as a strong independent woman very active social in control of things. She is not accepting things as they are she tries to change the things that seem wrong to her. However, gradually we are starting to see her as an old woman who hates her age. A woman, who has a hard time excepting her age and all the downsides of it, a woman whose physical condition is parallel to her mental and emotional state, who needs help doing things which young people do without any effort....   [tags: English Literature Essays] 2437 words
(7 pages)
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Cold Fusion Research Paper - Cold Fusion Research Paper As the world becomes more aware of the growing need for a more abundant energy supply, one energy source has been swept under the carpet and virtually ignored. This source is cold fusion. Cold fusion is: “A reaction that occurs under certain conditions in supersaturated metal hydrides (metals with lots of hydrogen or heavy hydrogen dissolved in them). It produces excess heat, helium, and a very low level of neutrons. In some experiments the host metal has been transmuted into other elements....   [tags: Energy Research Papers] 3563 words
(10.2 pages)
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My Educational Philosophy – A Work in Progress - ​As the end of my first semester of graduate studies concludes, I enjoy this opportunity to reflect on the ideologies, methodologies, and approaches I have learned throughout the semester that will serve as the foundation to which my educational philosophy can be built upon. Rooted in my philosophy of education, is a combination of what I believe the purpose of school is for, and, the factors that influence student success. Early on in the semester, I wrote in my reflection 1 paper that, “the purpose of school is to educate students, no matter their age, race, or religion, to become knowledgeable in all areas and aspects of life....” While I still agree with that statement, it is now, after...   [tags: Reflection Paper]
:: 7 Works Cited
1072 words
(3.1 pages)
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Investigating Whether There is a Link Between the Concentration of Thiosulphate Used in the Reaction with Hydrochloric Acid and the Time Taken for the - Investigating Whether There is a Link Between the Concentration of Thiosulphate Used in the Reaction with Hydrochloric Acid and the Time Taken for the Reaction to Occur Previous helpful knowledge: The rate of reaction tells us how quickly a chemical reaction takes to occur. Chemical reactions take place over different time intervals and involve reactants forming products. Certain methods can alter the rate of reaction, such as: * Adding a catalyst * Changing in the surface area of a solid * Changes in the temperature * Changes in the concentration I know, from previous experiments, that sulphur is formed when HCL is added to NaSO solution....   [tags: Papers] 962 words
(2.7 pages)
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The Yellow Wall-Paper - Falling from the Shoulders of Giants: The Yellow Wall-Paper as a Classic Example of the Dangers of Human Arrogance Progressive dementia is the process by which an individual gradually losses their intellectual capacity and personality integration. In "The Yellow Wall-Paper," Gilman captures the essence of the journey to madness via her use of first person narration. The relationship between Jane, the narrator of the story, and her husband John provokes an uneasy curiosity in the reader....   [tags: essays research papers] 921 words
(2.6 pages)
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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] 2403 words
(6.9 pages)
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The Factors Controlling the Rate of the Sodium Thiosulphate and Acid Reaction - The Factors Controlling the Rate of the Sodium Thiosulphate and Acid Reaction Planning I am investigating the factors controlling the rate of thiosulphate / acid reaction. The reaction that will be taking place will follow the rate at which sulphur is formed in the reaction of sodium thiosulphate with dilute hydrochloric acid. In the experiment the sulphur will appear as an extremely fine precipitate. This will slowly be followed by a milky appearance in the reaction mixture in the conical flask....   [tags: Papers] 2583 words
(7.4 pages)
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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] 2299 words
(6.6 pages)
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Reaction Between Hydrochloric Acid and Sodium Thiosulphate - Reaction Between Hydrochloric Acid and Sodium Thiosulphate Introduction I will be conducting two experiments to determine how two factors affect the rate of reaction in the reaction between hydrochloric acid and sodium thiosulphate. It is a precipitation experiment. The equation allows us to see how this experiment will help us find how rate of reaction changes Sodium thiosulphate + Hydrochloric acid ---- Sodium chloride + Sulphur + Sulphur dioxide + Water Na2S2O3 (aq) + 2HCl(aq) ---- 2NaCl(aq) + S(s) + SO2(g) + H2O(l) The main factors that affect the rate of reaction of any experiment are -Pressure....   [tags: Papers] 2493 words
(7.1 pages)
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An Investigation to See how Concentration Affects the Rate of Reaction - An Investigation to See how Concentration Affects the Rate of Reaction Prediction: The higher the concentration of water mixed with the Hydrogen Chloride and Sodium Thiosulpate the slower the rate of reaction will be. Introduction: By adding the water into the experiment we are diluting the solution of the Hydrogen Chloride and Sodium Thiosulpate and therefore the water is slowing down the reaction time. The time taken for a reaction to take place is known as the rate of reaction and there are many things that can change the rate of reaction....   [tags: Papers] 1465 words
(4.2 pages)
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The reaction between Sodium Thiosulphate and Hydrochloric acid - Investigate what happens to the rate of reaction when the concentration of Sodium Thiosulphate is altered in the reaction between Sodium Thiosulphate and Hydrochloric acid. Rates of reaction investigation Aim The aim of this coursework is to investigate what happens to the rate of reaction when the concentration of Sodium Thiosulphate is altered in the reaction between Sodium Thiosulphate and Hydrochloric acid. Below is the reaction equation Sodium + Hydrochloric Sodium + Water + Sulphur+ Sulphur Thiosulphate acid Chloride Dioxide Na2S2o3 (aq) + 2Hcl (aq) 2Nacl (aq) + H2o(l) + So2(g) S(s) Prediction I predict that as the concentration of Sodium Thiosulphate decreases, the reaction t...   [tags: GCSE Chemistry Coursework Investigation] 1066 words
(3 pages)
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Rate of Reaction Experiment - Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Experiment - Sodium Thiosulphate and Hydrochloric Acid To investigate the effect, of changing the concentration of a reactant, in a chemical reaction on it rate. The equation used for the experiment was: Sodium + Hydrochloric Sulphur + Sulphur + Sodium + water Thiosulphate acid dioxide chloride Na2S2O3 + 2HCl(aq) S(s) + SO(g) + NaCL(aq) + H2O The Collision Theory can explain reaction rates perfectly. A chemical reaction can only occur between particle when they hit or collide at a minimal amount of energy need for them to react this is called the activation energy....   [tags: GCSE Chemistry Coursework Investigation] 846 words
(2.4 pages)
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How changing the concentration changes the rate of reaction. - How changing the concentration changes the rate of reaction. Introduction We are going to look at the following factors during this investigation: 1 Why altering rate could be an advantage 2 Good ideas to control the rate of reactions 3 Briefly mention the factors that can change the rate of reaction such as: - Temperature Surface Area Catalyst Concentration I am going to find out if changing the concentration of nitric acid in water and see if it has any effect on changing the rate of which precipitate is formed when reacts with sodium thiosulphate....   [tags: GCSE Chemistry Coursework Investigation] 670 words
(1.9 pages)
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The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Aim: I am going to investigate how changing the concentration of Sodium Thiosulphate affects the rate of reaction with Hydrochloric Acid. I am going to time how many seconds/minutes it takes until you can no longer see the black cross on a piece of paper under the beaker. Each time I do the experiment, I will change the amount of thiosulphate and water in the reaction mixture. I want to find out if the concentrated thiosulphate makes the reaction go quicker....   [tags: Papers] 1387 words
(4 pages)
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Sodium Thiosulphate's Effect on the Rate of Reaction with Hydrochloric Acid - Sodium Thiosulphate's Effect on the Rate of Reaction with Hydrochloric Acid Aim: I am going to investigate how varying the concentration of Sodium Thiosulphate affects the rate of reaction with Hydrochloric Acid. Prediction: The equation for the reaction is: [IMAGE] Sodium Thiosulphate + Hydrochloric Acid Sodium Chloride + Water + Sulphur + Sulphur dioxide [IMAGE] Or: Na2S2O3 + 2HCl S + 2NaCl + H2O + SO2 This reaction has a definite end point (when the cross on the test tube 'disappears')....   [tags: Papers] 1455 words
(4.2 pages)
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The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Theory: Sodium thiosulphate and hydrochloric acid, react together to produce sulphur as one of the products Na2S2O3 (aq) + 2HCl (aq) Sodium Thiosulphate + Hydrochloric acid à 2NaCl (aq) + H2O (l) + S (s) + SO2 (g) Sodium Chloride + Water + Sulphur + Sulphur Dioxide Sulphur is a yellow precipitate, so the solution will turn an opaque yellow colour while the reaction is occurring. The reaction will continue and eventually the solutionwill turn completely opaque....   [tags: Papers] 2030 words
(5.8 pages)
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The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Hypothesis: I believe that the resulting graph will like this: [IMAGE] · I know that the line will not go through the origin because at 0ËšC the two chemicals are still liquid therefore they will still react together. · I believe that as the temperature increases the rate of reaction will also increase this coincides with the collision theory which states that as the temperature increases the speed of the particles and the amount of energy they have also increases this causes more collisions to occur and therefore increases the chance of a reaction taking place....   [tags: Papers] 1574 words
(4.5 pages)
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Factors Affecting the Rate of Reaction Between Sodium Thiosulfate and - Factors Affecting the Rate of Reaction Between Sodium Thiosulfate and Hydrochloric acid. Plan I will be conducting an experiment to find out if concentrating Thiosulfate and Hydrochloric Acid will effect the rate of reaction. I predict that the higher the concentration of the Thiosulfate, the quicker it will react with the Hydrochloric Acid. I will test: 20 Acid 20 Thio 0 Water 20 Acid 15 Thio 5 Water 20 Acid 10 Thio 10 Water 15 Acid 20 Thio 5 Water 10 Acid 20 Thio 10 Water The total volume of all the liquids will be kept the same....   [tags: GCSE Chemistry Coursework Investigation] 477 words
(1.4 pages)
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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] 2084 words
(6 pages)
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The Reaction Between Hydrochloric Acid and Sodium Thiosulphate - The Reaction Between Hydrochloric Acid and Sodium Thiosulphate Introduction ============ I am investigating how different concentrations of thiosulphate and distilled water in ratio to 10cm³ of hydrochloric acid affect the rate of reaction. I will also investigate if there will be a change in temperature after the reaction has occurred. I will know when the reaction is taking place as the solution turns from clear to opaque. The reaction that takes place is as follows: - Sodium + Hydrochloric à Sulphur + Sulphur + Sodium + Water Thiosulphate acid dioxide chloride Na S O + 2HCl à S + SO + 2NaCl + H O ------------------------------------ The reactio...   [tags: Papers] 1105 words
(3.2 pages)
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The Rate Of A Reaction Between Hydrochloric Acid And Sodium Thiosulphate - The Rate Of A Reaction Between Hydrochloric Acid And Sodium Thiosulphate Aim: I am going to investigate the effect of changing the concentration of Sodium Thiosulphate on the rate of the reaction between Hydrochloric Acid and Sodium Thiosulphate. Prediction: I predict that as the concentration of the Sodium Thiosulphate doubles, the rate of the reaction will double. I believe that when the most concentrated solution is used the reaction would be at its fastest. Collision Theory: In a more concentrated solution there are more particles so collisions occur more frequently....   [tags: Papers] 648 words
(1.9 pages)
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Investigating the Rate of Reaction of Sodium Thiosulphate and Hydrochloric Acid - Investigating the Rate of Reaction of Sodium Thiosulphate and Hydrochloric Acid I predict that the higher the concentration then the faster the reaction, this is because when water is added the sodium thiosulphate solution and the hydrochloric acid have a more neutral pH and it becomes more dilute then it will be less reactive will the other particles in the solution. Equation for my experiment: [IMAGE]Sodium thiosulphate + Hydrochloric acid Sulphur + Sodium chloride Sulphur dioxide Water [IMAGE]Na2 S2 O2 + 2HCl 2Na Cl + SO2 + H2O + S The apparatus needed include: Goggles...   [tags: Papers] 707 words
(2 pages)
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The Effect of Increasing Concentration of Hydrochloric Acid on the Rate of Reaction - The Effect of Increasing Concentration of Hydrochloric Acid on the Rate of Reaction Aim: To investigate the effect of increasing the concentration of Hydrochloric acid on the rate of reaction. In gases and liquids, particles are in constant motion. It is clear that not all collisions are effective. Only small fractions of them seem to be 'successful' collisions. Particles in liquids and gases are moving at different speeds and colliding in different ways. Some collisions are 'head-on', while others are 'glancing' collisions....   [tags: Papers] 933 words
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Challenges Finding a Cure for Food Allergies - With the increasing epidemic of food allergies, finding a cure becomes an even more urgent goal. The following paper will examine various challenges that researchers face when trying to find a cure for food allergies. I will focus on three challenges. The first challenge researchers face includes overcoming obstacles in the way of discovering a person’s previous health history and how a person might have been exposed to an allergen. The next challenge involves the danger of having a person consume something they are allergic to this danger being inherent to oral immunotherapy....   [tags: health history, allergic foods, allergic reaction]
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Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Aim === During my investigating, I am going to investigate the factors that effect the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid. Background Information The key variables in this experiment are: Concentration The reaction rate changes when the concentration is changed, before two particles can react they must meet. If the acid is at low concentrations, the acid particles will be widely spread out in the water, and the number of collisions between them and the Sodium Thiosulphate will be limited....   [tags: Papers] 981 words
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Investigating How a Change of Concentration Affects Rate of Reaction - Investigating How a Change of Concentration Affects Rate of Reaction Plan In this investigation, I am changing the concentration of the sodium thiosulphate to see whether it affects the rate of reaction between sodium thiosulphate and hydrochloric acid. The reaction is said to have finished, once the black cross underneath the conical flask has disappeared. The precipitation of sulphur causes the black cross to disappear from view. The equation below shows what will happen when the sodium thiosulphate reacts with the hydrochloric acid in the conical flask....   [tags: Papers] 1034 words
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Reaction To Who Moved My Cheese By Spencer Johnson - To start this paper, I initially typed in every one of Haw's motivational wall writings. I then analyzed them as they related to Johnson's message, my life, and to each other. Now, after writing this paper, I can assert that this story appeals to its audience on a level much more personal than their career. The story assists one's self in diminishing a fear of change. It is this core purpose that has the potential to influence the many facets of a human's life, be it in the workplace, love, or another achievement....   [tags: Spencer Johnson] 1206 words
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Personal Viewpoint of the Attack of Peral Harbor - ... I looked around as everyones faces grew with fear and confusion, as they ran outside to see what was going on. I looked into the sky and around 183 aircrafts flew through the air. Everyone looked around at each other confused to whether this was a drill or an actual attack. Then Admiral Kimmel ran out of his tent and announced to the U.S Naval Fleet that this was not a drill, but a raid. The Japanese commander Mitsuo Fuchida, who was the leader of the attack then called out, “ Tora. Tora. Tora!” People ran in every direction in terror, as the Japanese aircrafts dropped the first set of bombs onto our base....   [tags: reaction, affect, base, japanese] 1523 words
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Reflection Paper: Texoil (from the point of view of the sellers) - Reflection Paper: Texoil (from the point of view of the sellers) Planning for this negotiation was more difficult than the first negotiation in class. The first negotiation had a point system; therefore I knew what the maximum, minimum and average amount points were. Not only does the Texoil negotiation not have a point system, but there were two people on my side (sellers) and only one on the other side (buyer)....   [tags: Business Negotiations] 1304 words
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Teaching the Client to Take a Radial Pulse - I chose to write my teaching-learning paper on how to take a radial pulse. I knew “Nurses are involved in client education to promote wellness, prevent or diagnose illness early, restore optimal health & function if illness has occurred, and assist clients and families to cope with alterations in health status.” (Craven & Hirnle, 2008, p. 347) However, I had to come up with a reason for choosing how to take a radial pulse. I know in the field the client would already have the needs to learn, so I asked my client....   [tags: Teaching-Learning Paper]
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Review of Research Paper on Parkinson's Disease Treatment - Abstract Attempts to cure or slow down the progression of Parkinson’s disease have largely failed; researchers in this paper maintain this is obviously a direct result of the lack of insight into the pathogenesis of the disease. Parkinson’s disease is the product of the deaths of a number of dopaminergic (dopamine-secreting) neurons in the substantia nigra pars compacta region (SNc) of the brain. But what causes these deaths. In the paper “‘Rejuvenation’ protects neurons in mouse models of Parkinson’s disease,” Chen and researchers find that older neurons in the SNc are unusually reliant on calcium channels and that after blocking these channels, the cells are “rejuvenated” and begin actin...   [tags: Biology Parkinson Parkisons] 2063 words
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Investigating How Changing The Concentration Of A Reactant Will Affect The Rate Of A Reaction - Investigating How Changing The Concentration Of A Reactant Will Affect The Rate Of A Reaction PLANNING AIM: ==== The rate of a reaction is the speed at which a reaction happens. If a reaction has a low rate, that means the molecules combine at a slower speed than a reaction with a high rate. Some reactions take hundreds, maybe even thousands of years while other can happen in less than one second. The rate of reaction depends on the type of molecules that are combining....   [tags: Papers] 1278 words
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Investigation into Reaction Time when Hydrochloric acid and Thiosulphate are Mixed - Investigation into Reaction Time when Hydrochloric acid and Thiosulphate are Mixed Planning Simple plan This is an experiment to find out the reaction time of sodium thiosulphate and hydrochloric acid when they are mixed. We will use all equipment as safely as we can and wear goggles, gloves and an apron throughout the experiment. Fair Test I aim to keep the experiments fair tests by keeping everything the same throughout, except the concentration (Molar) of the hydrochloric acid....   [tags: Papers] 1034 words
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How concentration affects the rate of reaction between Hydrochloric Acid and Sodium Thiosulphate - How concentration affects the rate of reaction between Hydrochloric Acid and Sodium Thiosulphate Chemistry Coursework How Concentration Affects a Reaction Aim: The aim of this experiment is to find out how concentration affects the rate of reaction between Hydrochloric Acid and Sodium Thiosulphate. Introduction: This experiment will be carried out by drawing a cross on a piece of paper and mixing hydrochloric acid and sodium thiosulphate together to see if the cross disappears. The concentration of hydrochloric acid would change every reaction to show that concentration effects a reaction....   [tags: GCSE Chemistry Coursework Investigation] 1294 words
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The Effect of Temperature on the Rate of Reaction of Sodium Thiosulphate and Nitric Acid - The Effect of Temperature on the Rate of Reaction of Sodium Thiosulphate and Nitric Acid Planning Aim The aim of this investigation is to find out and observe how the temperature affects the rate of reaction. I am going to investigate the rate at which the solutions of nitric acid (HNO³) and sodium thiosulphate (Na²S²O³) turn cloudy (when mixed together), when the temperature is changed. Variables In this investigation I will only have one variable: § The temperature of both solutions (sodium thiosulphate and Nitric acid), so that I will be able to see the affect of temperature on the rate of reaction....   [tags: Papers] 2146 words
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The Effect of Temperature on the Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - The Effect of Temperature on the Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid I predict that as the temperature is increased the rate of reaction will increase. This means that the graph drawn up in my analysis will have positive link so it will look something like shown below, and will probably be curved as the increase in rate of reaction will not be exactly the same as the temperature is increased so the graph will look something like this. [IMAGE] This can be justified by relating to the collision theory....   [tags: Papers] 1331 words
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An Investigation on the Rate of Reaction between Sodium Thiosulphate and Hydrochloric Acid - An Investigation on the Rate of Reaction between Sodium Thiosulphate and Hydrochloric Acid Chemical Background When sodium thiosulphate is mixed with dilute hydrochloric acid it makes a cloudy liquid of sodium chloride, water, sulphur (this makes the liquid cloudy), and it gives of the gas sulphur dioxide. A precipitate of sulphur is made. Sodium   + hydrochloric =  sodium +  water  + sulphur + sulphur Thiosulphate          acid           chloride                              dioxide         The Chemical reaction happens as the particles collide because they have energy....   [tags: Papers] 1152 words
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Investigating the reaction Between Sodium Thiosulphate (Na2S2 O3) and Hydrochloric acid (HCl) - Investigating the reaction Between Sodium Thiosulphate (Na2S2 O3) and Hydrochloric acid (HCl) Aim --- I am investigating the rate of reaction between Hydrochloric acid (HCl) and Sodium Thiosulphate (Na2S2O3), when Na2S2O3 is mixed with water (H20). Background Knowledge The rate of a reaction can be speeded up by increasing the temperature; at a higher temperature the particles move faster and collide more often, as a result of this the reaction speeds up. Increasing the concentration of reactants in water will also speed up the reaction, as there are more reactive particles in the same volume and therefore more chance of a reaction taking place, which speeds...   [tags: Papers] 995 words
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Investigating the Changes in Reaction When Sodium Thiosulphate is Added to Dilute Hydrochloric Acid - Investigating the Changes in Reaction When Sodium Thiosulphate is Added to Dilute Hydrochloric Acid Concentration Aim: To observe the changes in reaction when sodium thiosulphate is added to dilute hydrochloric acid. Prediction: I predict that the higher the concentration of hydrochloric acid is the faster the reaction will take place. Scientific knowledge: When the concentration of hydrochloric acid is high the reaction will take place faster. This is because in a high concentration of hydrochloric acid there are more particles so collisions will occur more frequently....   [tags: Papers] 757 words
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Investigating What Affects the Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Investigating What Affects the Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Aim To investigate what variables influence the rate of reaction between sodium thiosulphate and hydrochloric acid. The specific variable we will be examining will be the amount of acid. Background Information Table of Variables Variables How it will influence my reaction How I will control the variable Temperature When you raise the temperature of a solution, the molecules collide more frequently due to the fact that they have more energy....   [tags: Papers] 910 words
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The Effect of Concentration on the Reaction between Sodium Thiosulphate and Hydrochloric Acid - The Effect of Concentration on the Reaction between Sodium Thiosulphate and Hydrochloric Acid We are given 2md/dm³ of Hydrochloric Acid = 10cm³. We are also given the measurement of Sodium Thiosulphate solution: 40g/dm³ = 50cm³ The chemical equation for this reaction is: 2Hcl + Na²S²O² 2NaCl + H²O + SO² + S I am going to investigate the effect of concentration in this reaction. To do this I will change the volume of 0.1 mol/dm³ of sodium Thiosulphate. We will keep the amount of Hcl the same, because if we altar that one it will totally change the results and there would be no pattern....   [tags: Papers] 627 words
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Rate of Reaction Between Thiosulphate and Various Concentrations of Hydrochloric Acid - Rate of Reaction Between Thiosulphate and Various Concentrations of Hydrochloric Acid Aim: The aim of this experiment is to determine the rate of reaction between thiosulphate(Na2S2O3) and various concentrations of hydrochloric acid (HCl). The rate of reaction will be measured rather crudely by seeing how long it takes for the mixture of water and hydrochloric acid to cloud up the beaker and make a large 'X' under the beaker in which the solution will be placed unvisable. Method: In my experiment, I will be using the following apparatus: o 2 measuring cylinders o Water o Beaker o Hydrochloric acid o Thiosulphate solution o Laminated card with a over...   [tags: Papers] 1647 words
(4.7 pages)
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How Temperature Affects the Reaction between Sodium Thiosulphate and Hydrochloric Acid - How Temperature Affects the Reaction between Sodium Thiosulphate and Hydrochloric Acid Aim I am going to investigate the reaction between sodium thiosulphate and hydrochloric acid. The main aim is to find out how temperature affects the reaction; if it speeds it up, slows it down or changes it in any way. I will test the effects of temperature by timing how long it takes for a black cross to become non-visible underneath a beaker containing the reactants. I will consider what effect the temperature has on the number of collisions and explain my findings....   [tags: Papers] 1007 words
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How does temperature affect the rate of reaction between sodium - How does temperature affect the rate of reaction between sodium thiosulphate and hydrochloric acid. Aim: The aim of this experiment is to find out how the temperature affects the rate of reaction between sodium thiosulphate and hydrochloric acid. Prediction: I predict that the higher the temperature of the solution the faster the reaction will take place because the particles will collide more when the temperature rises. Plan Apparatus: Measuring cylinders Tripod Bunsen burner Heat proof mat Gauze mat Thermometer Conical flask Water (30ml) Hydrochloric acid (5ml) Sodium thiosulphate (20ml) Piece of paper with X on it By lianne milbanke Pliminary results: I decided to do some preliminar...   [tags: GCSE Chemistry Coursework Investigation] 659 words
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Investigating the effect of Temperature on the reaction between Sodium Thiosuphate and hydrochloric acid - Investigating the effect of Temperature on the reaction between Sodium Thiosuphate and hydrochloric acid · Planning I am investigating the different temperatures on the reaction between Sodium Thiosuphate and Hydrochloric acid. The factors I could investigate would be temperature, concentration and substances. I have chosen to investigate Temperature. I predict that the higher the temperature the more rapidly the cross would obscure. This is because the higher the temperature the more often the particles collide and react, when the particles collide more often they would collide harder because they have more energy, making the collisions bigger and faster, the collision success rate is hi...   [tags: GCSE Chemistry Coursework Investigation] 1051 words
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Investigating The Rate Of Reaction Between Sodium Thiosulphate And Hydrochloric Acid - Investigating The Rate Of Reaction Between Sodium Thiosulphate And Hydrochloric Acid Preliminary Experiment Aim To investigate which out of the two - Sodium Thiosulphate and Hydrochloric Acid would give the best range of results when testing the rate of reaction between the two. Apparatus · Stop Clock · Dumpy Flat · 3 Measuring Cylinders · Sodium Thiosulphate · Hydrochloric Acid · Water · Graph Paper · Pipette · Safety Goggles Method · First I will gather results from changing the concentration of the hydrochloric acid....   [tags: Papers] 2703 words
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Comparing the Reaction of Franklin D. Roosevelt and Herbert Hoover to the Great Depression - Comparing the Reaction of Franklin D. Roosevelt and Herbert Hoover to the Great Depression The year was 1929. America goes through the biggest national crisis since the American Civil War. They called it the Great Depression. The Stock Market was going down, unemployment was going up, and money was becoming scarce. The United States had to look up to the one person who could lead the country out of this national catastrophe, The President. At this time the man who had that title was none other than Herbert Hoover....   [tags: American History] 815 words
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Springfield Reaction: Touring Lincoln's Home - ... The tour guide spoke mostly about furnishings and wall paper and I wanted to hear more about Lincoln himself. I would have been happier with a self guided tour of the home. On the positive side you could take all the pictures you wanted. They had a mock up town in the information center that was interesting. It had buttons that would light the way on the map to specific places like his precession, Mary’s sisters house and the rest of the neighborhood. Abe Lincoln’s Tomb was awesome. There are statues all around that are magnificent and the material it was built out of was amazing....   [tags: personal reflections] 637 words
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Finding the Best Online Primary Sources - ... I would also used some analogies such as the rich get richer and the poor get poorer to persuade the reader that Great Britain only pursued colonies that would have sometime to offer such as land, natural resources, good agriculture, food, labor, and most importantly gold. We have learned that throughout history, Great Britain had needs to expand its empire due to its limited resources and space within the country. Its strategic location had allowed it to expand the way it had. Its location also allowed for goods to be imported from any angle given that its surround by water....   [tags: research, paper, gold, information, britian] 908 words
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Insanity as a Metaphor in The Yellow Wall-Paper, The Tell-Tale Heart, Hamlet, and Mad Song - The sickness of insanity stems from external forces and stimuli, ever-present in our world, weighing heavily on the psychological, neurological, and cognitive parts of our mind. It can drive one to madness through its relentless, biased, and poisoned view of the world, creating a dichotomy between what is real and imagined. It is a defense mechanism that allows one to suffer the harms of injustice, prejudice, and discrimination, all at the expense of one’s physical and mental faculties....   [tags: Charlotte Perkins Gilman short story] 1630 words
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Perspectives Paper - Behaviorists and cognitive psychologists have debated for many years. It is from these two schools of thought that dueling informational ideas have been born. Originally, behaviorism was the leading school of thought being led by John B. Watson and B.F. Skinner. Later new ideas regarding the mind became more prominent. Edward C. Tolman was one of the more prominent figures of this field. Behaviorists looked for more evidence of behavior and rejected any ideas about the mind. An idea that was highly looked into by cognitive psychologists....   [tags: Psychology]
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Biotechnology Research Paper - ... To quench their thirst for multiple copies of DNA scientists developed a way to manipulate the Polymerase Chain Reaction, also know as PCR. PCR is a technique that grants the ability for any piece of DNA to be quickly amplified without using cells. The method relies on thermal cycling, where of cycles of constant heating and cooling of the reaction for the replication of the DNA to occur. The DNA is put into a test tube of sorts with the needed ingredients for DNA copying, including a special kind of DNA polymerase, nucleotides, and short pieces of synthetic ssDNA to serve as primers....   [tags: technological advancements, biology]
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1808 words
(5.2 pages)
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Position Paper: Aggression - Physical assault and aggression is the second leading cause of death among 14 to 17 year olds, next to vehicular accidents (Loeber). But why are humans so aggressive in the first place. There are two sides of the debate: Nature, and Nurture. Some say that it’s human nature, genetics that cause most behaviors, while others say that we act as we learned during childhood. This argument applies to aggression as well. Aggression is mainly caused by things during childhood and adolescence where people learn from various sources about aggression, although, human psychology plays a slight factor....   [tags: Psychology]
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