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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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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] 977 words
(2.8 pages)
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The Effect of Concentration on the Rate of Reaction - The Effect of Concentration on the Rate of Reaction Aim To investigate whether or not the concentration of Sodium Thiosulphate with hydrochloric acid, will affect the rate of reaction. PREDICTION I predict that the more higher the concentration of sodium thiosulphate and the more less the concentration of water, the faster the reaction will take place to become cloudy. The reason why I say this is because there will be more sodium thiosulphate particles, which will collide more often....   [tags: Papers] 1310 words
(3.7 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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The Effect of Temperature on the Speed of a Reaction - The Effect of Temperature on the Speed of a Reaction AIM: I will do an experiment to find out how temperature affects the speed of reaction when hydrochloric acid is added to Thiosulphate solution. METHOD: I will get a measuring cylinder and measure out 50cl of Thiosulphate. I will then also measure out 5cl of Hydrochloric acid in a separate measuring cylinder. I will insert the Thiosulphate into a beaker and insert the liquid to my desired temperature using a Bunsen burner....   [tags: Papers] 728 words
(2.1 pages)
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The Confederate Flag as a Reaction to Desegregation - The Confederate Flag as a Reaction to Desegregation 1954’s Brown vs. Board of Education court ruling marked the dawn of desegregation in America. South Carolina raised the Confederate flag above their state house a short time after the sentence; the brief time period between the two events led many to believe the gesture was the state’s reaction to desegregation. Many were offended by the exhibit and confused as to whether the flag responded to desegregation or honored the state’s membership in the confederacy....   [tags: Papers] 1386 words
(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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Verbal Reaction Times Experiment - Verbal Reaction Times Experiment The research paper refers to tables that are NOT included with this paper. This report aimed to replicate Stroop's (1935) experiment. Using the repeated measures design and a sample of 20 students, differences in verbal reaction times on two tests were observed. The one-tailed hypothesis predicted that it would take longer to say words in the Cc, this is the conflicting condition where the colour of the word differs from the colour that the word describes....   [tags: Stroop 1935 experiment]
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2635 words
(7.5 pages)
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Reaction Paper: Was Marx Wrong? - Karl Marx was an influential character of history, a man of tremendous intelligence as well as a great inspiration to many philosphers and people past and present. Karl Marx was a man of action for the less fortunate class, in that sense his theories are not wrong, to a certain extent they are positve inquisitions. It is those whom have practiced Marx theories that have misinterpreted his works giving Karl Marx a negative demeanor. Specifically Lenin and Stalin are two leaders who have brought shame to the works of Karl Marx and make this philospher seem like a barbarian....   [tags: essays research papers] 694 words
(2 pages)
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Best Reaction to Violence - Best Reaction to Violence Throughout Bond's plays there is an analysis, sometimes implicit, of the nature of violence, its causes and its consequences. Each of the plays takes the analysis a step further. I have chosen to concentrate on Lear because it is one of the most representative pieces of work about violence in our society. In this play Bond's humanistic philosophy is clear : "aggression is an ability but not a necessity".[1] He condemns our society which uses violence supposedly for the wellbeing of people, but without worrying about the disastrous consequences....   [tags: Papers] 1930 words
(5.5 pages)
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Reaction to Mean Streets - Reaction Paper to Mean Streets Mean Streets' greatest influence in American cinema was not on directors or scriptwriters (though its influence there was considerable) but rather on actors. The film has Harvey Keitel (as Charlie) at its center, whose solidity and slight dullness as an actor keeps the film from spinning off into total anarchy; but it is Robert De Niro's Johnny Boy (Charlie's wild, self-destructive friend whom he looks out for with all the obsessiveness of an older brother) that gives the film its charge....   [tags: ] 1018 words
(2.9 pages)
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Reaction to “Introduction to a New America” - Reaction Paper to “Introduction to a New America” Professor Diana Eck in Chapter One of “Introduction to a New America” highlights the emerging new religious climate in the United States. The United States has always been a country of many religious traditions due to the Constitutional right of Freedom of Religion. But since the 1965 Immigration and Naturalization Act, signed by President Johnson, America’s borders have seen a tremendous influx of individuals from around the world. There are one million new immigrants to the U....   [tags: Social Studies] 944 words
(2.7 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]
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2300 words
(6.6 pages)
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The Effect of Concentration Upon the Rate of a Reaction - The Effect of Concentration Upon the Rate of a Reaction Practice experiment Due to the nature of the coursework, it was deemed necessary to perform a practice experiment, so it was possible to investigate the results and understand the experiment in rough terms prior to the actual coursework investigation. This also aided in the planning of the work, as background information was provided, resulting in a more precise and accurate set of results in the final tasks....   [tags: Papers] 1105 words
(3.2 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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The Reaction Between Magnesium and Hydrochloric Acid - The Reaction Between Magnesium and Hydrochloric Acid Investigation Research ====================== The rate of a chemical reaction is a measure of how fast the reaction takes place. It is important to remember that a rapid reaction is completed in a short time. Some reactions are very fast, e.g. the formation of silver chloride precipitate when silver nitrate and hydrochloric acid solutions are mixed. Other reactions are very slow, e.g. the rusting of iron. For practical reasons, reactions used in the laboratory for studying rates of reaction must not be too fast or too slow....   [tags: Papers] 1405 words
(4 pages)
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Philosophy Paper #1: Personal Identity - ... With that said, it is my belief that defining personal identity relies on both bodily and mental continuity. No doubt this position leaves plenty of room for criticism, which I will attempt to address now beginning with bodily continuity. The body is in a constant state of transition, cells replacing cells by the thousands at any given time; how then can bodily continuity even be if the body is in a perpetual state of change. How could one be considered the same person if the parts are constantly being replaced....   [tags: Philosophy ]
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1056 words
(3 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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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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Sodium Thiosulphate Reaction Time Experiment - Introduction: In the investigation I am going to see how long it takes for sodium thiosulphate to react with hydrochloric acid, the sodium thiosulphate will be diluted with water, I will do this by having 60 ml sodium thiosulphate and 40 ml water but each time I will change the amount of sodium thiosulphate and water but they will both add up to equal 100ml, I will know when the reaction has taken place because the beaker with the chemicals in will go cloudy, we will put the beaker on a piece of paper with a x on it....   [tags: chemistry, chemistry experiment] 912 words
(2.6 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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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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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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The Relationship Between Reaction Rate and Concentration - The Relationship Between Reaction Rate and Concentration I am going to investigate how varying the concentration of Sodium thiosulphate solution affects the rate of reaction with Hydrochloric Acid. The equation for the reaction is: [IMAGE]Sodium thiosulphate + Hydrochloric Acid Sodium Chloride + Water + Sulphur + Sulphur dioxide [IMAGE]Na2S2O3(aq) + 2HCl(aq) 2NaCl(aq) + H2O(l) + S(s) + SO2(aq) This reaction has a definite end (when the cross on the test tube 'disappears')....   [tags: Papers] 1051 words
(3 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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Investigation of the Effect of Concentration on the Rate of Reaction - Investigation of the Effect of Concentration on the Rate of Reaction Planning Introduction The experiment I am doing to change the rate of reaction is: Sodium thiosulphate + Hydrochloric Acid → Sulphur + Sodium Chloride +Sulphur Dioxide + Water Na2S2O3 (aq) + 2HCl (aq) → S (s) + 2NaCl (aq) + SO2 (g) + H2O (l) Possible ways of changing the reaction time are: * Changing the concentration, if you increase the concentration there will be more collisions because there are more particles in the same volume, * Changing the temperature, if you increase the temperature it will make reactant particles move faster and collide more often, * If a catalyst is present, it will speed up the reaction....   [tags: Papers] 1967 words
(5.6 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 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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Investigating the Effect of Concentration on the Rate of Reaction - Investigating the Effect of Concentration on the Rate of Reaction The aim of my investigation is to investigate the rate of reaction, when the concentration of hydrochloric acid is changed, when added to a sodium thiosulphate solution. Predictions =========== The key factors (variables) that could be investigated are. Changing the concentration of hydrochloric acid when added to a solution of sodium thiosulphate, also whether or not temperature effects the results of the experiment and also if when they are added together if you stir them in or not....   [tags: Papers] 991 words
(2.8 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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Investigating the Effects of Concentration on the Rate of a Reaction - Investigating the Effects of Concentration on the Rate of a Reaction Na2S2O3(aq) + 2HCl(aq) à 2NaCl(aq) + S(s) + SO2(g) + H2O(aq) The solution will become opaque. We can show how long the process takes by putting a piece of paper with a cross drawn on underneath the container of the solution and timing how long it takes for the cross to disappear. Planning: If you put sodium thiosulfate and hydrochloric acid in a conical flask together, they will first become yellow and then go cloudy and opaque....   [tags: Papers] 615 words
(1.8 pages)
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Reaction Paper On A Man For All Seasons - A Man for All Seasons is the story of a man who knows who he is, expressing courage and faithfulness at all costs. In addition, every character has their own ends to meet, and the only distinguishable feature between them is how they go about it. Some characters disregard all sense of morality as they plunge into an approach, which primarily encompasses self-interest. In all, most of the characters in the movie personify selfishness in one way or another. Of course there are some whose selfishness is more noticeable than others; however, at some point they are all deficient in their consideration of others and live chiefly for personal profit....   [tags: Robert Bolt] 1263 words
(3.6 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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Love: A Chemical Reaction or a Social Phenomenon? - ... While the idea of love requires both the psychological and the physiological for the sake of this paper the emphasis will be placed upon the physiological theory. The anthropologist, Helen Fisher, divides love into three separate but overlapping stages-lust, attraction, and attachment. Lust is the initial feeling of attraction, romantic attraction encourages people to focus their energy on an often sexual relationship, and attachment involves a long term relationship. Each stage of love has different hormones that are released or used during the process....   [tags: Psychology]
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1246 words
(3.6 pages)
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Investigation to find the effect of concentration on the rate of reaction - Investigation to find the effect of concentration on the rate of reaction Aim --- I am going to investigate the effect of concentration on rate of reaction in the reaction between Sodium Thiosulphate and Hydrochloric Acid: 2HCl + Na2S2O3 à 2NaCl + SO2 + S + H2O Prediction I predict that that the greater the concentration of Sodium Thiosulphate or Hydrochloric Acid, the faster the rate of reaction. I think this because of the collision theory: Increased concentration = Increased number of molecules = number of collisions and, therefore, the rate of reaction....   [tags: GCSE Chemistry Coursework Investigation] 1596 words
(4.6 pages)
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Rate of Reaction Experiment - Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Experiment - Sodium Thiosulphate and Hydrochloric Acid Plan Aim: Our aim of this experiment is see the effect of Sodium Thiosulphate and Hydrochloric Acid by testing different concentrations and looking at how it affects the rate of reaction. For my chemistry GCSE course work I am going to look at the factors that affect the rate of reaction. It can be changed by 4 main factors: Catalyst, Temperature, Surface area and Concentration. To increase the rate of a reaction you need to increase the number of successful collisions....   [tags: GCSE Chemistry Coursework Investigation] 1991 words
(5.7 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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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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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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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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How does temperature affect the rate of reaction? - How does temperature affect the rate of reaction. Aim: To find out if the temperature of a substance affects the rate that it reacts at. Hypothesis: I think that the higher the temperature the faster a reaction will take place. I believe this because scientific evidence suggests that when the particles of a substance are heated they gain kinetic energy this means that they will move about more and collide more with each other as they get hotter. Research: Some reactions, such as explosions, occur rapidly....   [tags: GCSE Chemistry Coursework Investigation] 857 words
(2.4 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 time will increase....   [tags: GCSE Chemistry Coursework Investigation] 1066 words
(3 pages)
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What factors affect the rate of a chemical reaction - What factors 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: Chemistry] 614 words
(1.8 pages)
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Aim: How concentration affects the rate of reaction - Aim: How concentration affects the rate of reaction Background Sometimes a change in colour can be used to follow the progress of a reaction. The reaction between sodium Thiosulphate solution and hydrochloric acid slowly produces a creamy white precipitate of sulphur. Sulphur dioxide gas and water are also produced. The reaction is between Thiosulphate ions, S2 O3 2- and hydrogen ions H+, from the acid. Plan I am going to investigate the rate of reaction of Sodium Thiosulphate, and how can Sodium Thiosulphate and water affects how fast the reaction takes to become complete....   [tags: GCSE Chemistry Coursework Investigation] 1964 words
(5.6 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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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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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] 813 words
(2.3 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
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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 acting like their juvenile counterparts; as a result, these cells become protected from Parkinson’s disease....   [tags: Biology Parkinson Parkisons] 2063 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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How does altering temperature affect the rate of reaction - How does altering temperature affect the rate of reaction Prediction ========== Different reactions can happen at different rates. Reactions that happen slowly have a low rate of reaction and reactions that happen quickly have a high rate of reaction. For a chemical reaction to happen, the reactant particles must collide. In addition, the collision must have enough energy for the particles to react. The minimum energy needed for particles to react is called the activation energy. Many factors affect how fast or slow the reaction takes place....   [tags: GCSE Chemistry Coursework Investigation] 966 words
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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
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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
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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
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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
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Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid 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. The equation to this is as follows: Sodium +Hydrochloric À Sodium +Sulphur +Sulphur +water Thiosulphate Acid Chloride Dioxide Naâ‚‚Sâ‚‚O₃ (aq) +2HCL (aq) À2NaCl(aq)+ S(s) +SOâ‚‚(g) + Hâ‚‚o(l) This reaction usually produces a yellow precipitate....   [tags: Papers] 1279 words
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Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid To investigate the effect of concentration on the rate of reaction between sodium thiosulphate and hydrochloric acid. Rates of Reaction Investigation (Sodium Thiosulphate) Pritul Patel 10.9 PLANNING Rates of Reaction Investigation (Sodium Thiosulphate) Aim: To investigate the effect of concentration on the rate of reaction between sodium thiosulphate and hydrochloric acid. When hydrochloric acid is added to a solution of sodium thiosulphate, the chemicals react giving solid sulphur as one of the products....   [tags: Chemicals Science Essays]
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Rates of Reaction of Sodium Thiosulphate and Hydrochloric Acid - Rates of Reaction of Sodium Thiosulphate and Hydrochloric Acid Aim: To investigate how concentration affects the rate of reaction between Sodium Thiosulphate and Hydrochloric acid. Introduction: I know that the equation for this reaction is: Na2S2O3+ 2HCl →2NaCl + S + SO2 + H2O This shows me that one of the products in this reaction is Sulphur Dioxide. This means a precipitate will be formed therefore allowing me to time when the experiment is complete. During my experiment I will change the concentration of the Sodium Thiosulphate to allow me to see how concentration affects the rate of reaction....   [tags: Papers] 652 words
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Investigating How Temperature Affects the Rate of a Chemical Reaction - Investigating How Temperature Affects the Rate of a Chemical Reaction Prediction: I predict that as the temperature is increased the rate of the chemical reaction will also increase. Plan Risk Assessment: - The room should be well ventilated - Goggles should be worn throughout the experiment - Care should be taken when pouring out chemicals to avoid spillages - After touching all chemicals hands should be washed - Care should be taken when using the water baths due to high temperatures Variables: The temperature of the chemicals will be varied every 10°c after room temperature....   [tags: Papers] 819 words
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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 reaction will have finished when the solution has turned completely opaque and it is visible that the solution is not turning increasingly more so....   [tags: Papers] 1105 words
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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
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Does Changing the Temperature and the Concentration Change the Rate of Reaction? - Sodium Thiosulphate when added to Hydrochloric acid reacts and gives a product, But does changing the temperature and the concentration change the rate of reaction. I am going to try and change the rate of reaction between Sodium Thiosulphate and Hydrochloric acid. 2HCl+ Na2S2O3 [IMAGE]2NaCl+ SO2+ S + H2O. To do this I will produce two experiments, the first of which I will change the temperature in and the second in which I will change the concentration. We predicted that the higher the temperature the faster the reaction....   [tags: GCSE Chemistry Coursework Investigation] 927 words
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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
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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
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Reaction Rate Between Sodium Thiosulphate and Hydrochloric Acid - Reaction Rate Between Sodium Thiosulphate and Hydrochloric Acid What effects the rate of reaction between sodium thiosulphate and hydrochloric acid. Aim: To see if temperature affects the rate of reaction between the chemicals Sodium Thiosulphate and Hydrochloric acid. Sodium Thiosulphate + Hydrochloric Acid Na2S2O3 (aq) + 2HCl (aq) Prediction: I predict that as the temperature is increased the rate of reaction will increase. This should be shown in the graph from the conclusion, you should be able to see a positive correlation....   [tags: Science Experiments Energy Essays] 1103 words
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The Rate of Reaction between Thiosulphate and Hydrochloric Acid - The Rate of Reaction between Thiosulphate and Hydrochloric Acid Equipment: pen, paper, 2 measuring cylinders, conical flasks, 2 beakers, HLC, Na2SO4, stop clock. Method: What I am going to do is draw a cross on the paper with the pen then get10cm3 of Na2SO4 and 50cm3 of HCL and put in separate beakers. Then put the Na2SO4 in the conical flask, which is placed on the cross on the paper. Then I will add the HCL to the Na2SO4 and start the stop clock. I will stop the clock when I can not physically see the cross any more....   [tags: Papers] 733 words
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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: to investigate the effect of changing the concentration of Sodium Thiosulphate on the rate of reaction between Sodium Thiosulphate and Hydrochloric acid. THE REACTION: when Sodium Thiosulphate reacts with hydrochloric acid sulphur is produced. The sulphur forms in very small particles and causes the solution to cloud over and turn a yellow colour. This causes the cross to fade and eventually disappear....   [tags: Papers] 1489 words
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Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Introduction When sodium thiosulphate and hydrochloric acid react they produce a cloudy precipitate. The two chemicals are both clear solutions and will react together to form a yellow precipitate of sulphur, the equation for which is as follows: Na2S2O3 + 2HCl ®2NaCl + SO2 + S + H2O As the solution will turn cloudy, we can observe the rate of reaction by placing a black cross underneath the beaker and seeing how long it takes for it to disappear....   [tags: Papers] 1056 words
(3 pages)
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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
(3 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 3 Measuring cylinders (1 to measure sodium thiosulphate, another to measure hydrochloric acid and another for water) 1Beakers A piece of paper or tile with a dark cross-marked on it A stopwatch The materials needed: Hydrochloric acid Sodium thiosulphate solution Water The only variable will be the volume of sodium thiosulphate....   [tags: Papers] 707 words
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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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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 the rate of reaction between Hydrochloric Acid and - Investigating the rate of reaction between Hydrochloric Acid and Sodium Thiosulphate. Aim: I aim to find out how the range of concentrations affects the rate of reaction. Sodium Thiosulphate + Hydrochloric Acid = sodium chloride + sulphur + sulphur + dioxide + water Na2S203 (aq) + 2HCL (aq) = 2NaCl (aq) + S(s) + SO2(g) + H2O (L) Variables: Input variable – the range of concentrations Output variable – the rate of reaction Method: * We will first of all add 5ml of hydrochloric acid into one of the burettes, so we can be more accurate....   [tags: GCSE Chemistry Coursework Investigation] 1047 words
(3 pages)
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The Rate of the 'Reaction' Between Sodium Thiosulphate and Hydrochloric Acid - To see if the concentration of the acid will effect the rate of the 'reaction' between sodium Thiosulphate and Hydrochloric Acid. Scientific Knowledge: I already know that the rate of a reaction can be increased if there are more collisions between the different particles, to increase the number of collisions made, one or more of the following five factors can be changed; * More Heat- if there is more HEAT in a mixture, the particles will be moving QUCIKER and with more energy so there will be more collisions and a higher chance of success....   [tags: Chemistry] 1077 words
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Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid - Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid Chemistry Coursework Investigating the Effect of the Concentration on the Rate of the Reaction between Sodium Thiosulphate and Hydrochloric Acid. Prediction I predict that the higher the concentration the faster the rate will be and the lower the concentration the slower the rate will be. This is because the higher the concentration, the greater the number of Sodium Thiosulphate molecules there are. Therefore, the frequency of the collisions between the mixture will increase....   [tags: Papers] 804 words
(2.3 pages)
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The Effect of Sodium Thiosulphate on the Rate of Reaction with Hydrochloric Acid - The Effect of Sodium Thiosulphate on the Rate of Reaction with Hydrochloric Acid Introduction: In this experiment, we are going to experiment how the concentration of sodium Thiosulphate affects the arte etc of a reaction with hydrochloric acid. This is also connected with the study of Brownian motion. Brownian motion is the random movement of particles. All the particles are moving, which means they are charged with energy. We shall experiment with the way the particles move, by adding different concentrations of Sodium Thiosulphate (ST from this point forward)....   [tags: Papers] 931 words
(2.7 pages)
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A Reaction Between Sodium Thiosulphate and Hydrochloric Acid - A Reaction Between Sodium Thiosulphate and Hydrochloric Acid Outline In my experiment I will find out what makes a reaction between sodium thiosulphate and hydrochloric faster. The equation will be: Sodium + Hydrochloric sulphur + sodium + sulphur + water [IMAGE]Thiosulphate acid chloride dioxide The symbol for the equation is: [IMAGE]Na2S2O3(aq) + 2HCl(aq) S(s) + 2NaCl(aq) + SO2(g) + H2O Aim === To find out if changing the concentration makes the reaction faster....   [tags: Papers] 1037 words
(3 pages)
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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
(3.4 pages)
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