Chemistry coursework rates of reaction sodium thiosulphate

Chemistry coursework rates of reaction sodium thiosulphate

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Home chemistry coursework rates of reaction sodium thiosulphate

Rates of Reaction - Hydrochloric Acid and Dodium Thiosulphate

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Apparatus 1 small measuring cylinder 1 large measuring Apparatus The apparatus for the test is:

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Rates of Reaction

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This is because it is reaching the boiling point of water, and so the water in the solutions as sodium thiosulphate and hydrochloric acid are aqueous solutions starts to boil and turns to steam. To investigate how different concentrations of hydrochloric aci9d affect the rate of reaction on marble soxium, calcium carbonate.

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Rates of reaction of Sodium Thiosulphate with Hydrochloric Acid

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An investigation to show how the rate of reaction between hydrochloric acid and sodium thiosulphate is affected by the concentration of the acid Simple Procedure Place a conical flask on a piece of paper with a thiisulphate on it. This is the word equation for my investigation

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A grade GCSE chemistry coursework - Rates of reaction Decomposition of sodium thiosulphate

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Because I need 20ml of acid and 20ml of sodium thiosulphate I shall use varying quantities of thosulphate. HubPages and Hubbers authors may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.

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Chemistry Coursework - Sodium Thiosulphate

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I shall allow the reaction to take place for 60 seconds.

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I predict that doubling the surface area will double the speed of the reaction.

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The particle theory says that for a chemical reaction to occur, there must be a collision at a certain velocity and at a certain angle.

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If you did not, then you would need to write about it in your conclusion. I can also see this from my graph.

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General College Chemistry, pp. Changing the pressure In this particular investigation I am going to find out how heat affects the rate of reaction in the reaction of sodium thiosulphate with hydrochloric acid.

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This is why the decrease of reaction rate slows - it got increasingly difficult for the solution to get hotter. In this experiment, magnesium will be reacted with different concentrations of sulphuric acid.

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Does the concentration of Potassium Iodide KI affect the rate of its reaction with hydrogen peroxide H2O2 of a fixed concentration?

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The different variables include Temperature, catalysts and concentration. The results will be analyzed graphically to determine the order of reaction — the mathematical relationship

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On the other hand, a reaction which takes a longer time is known as a SLOW reaction, and as a result is known to have a LOW rate of reaction

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Skill Area P Write down the aim of your Investigation. The temperature of the reaction mixture.

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The reaction that will be used is:

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I will then put 40cm 3 of sodium thiosulphate into a conical flask and place it on a tripod and gauze.

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Clearly this energy was only enough to push some of the particles beyond their activation energy.

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As you can see by figure 1, I have used the reaction between sodium thisoulphate solution and hydrochloric acid Chemistry coursework rates of reaction sodium thiosulphate to come up with results that will help me draw conclusions regarding the effects of the concentration of the acid. 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.

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Equations can only tells us how much product we can get. Therefore, I will make sure that I only change the temperature of the reaction mixture and keep the volume and concentration of chemistfy sodium thiosulphate, the volume and concentration of hydrochloric acid and the pressure of all the mixtures the same.

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The courswwork is shown by the following chemical equation: Experiment for Chemistry Coursework For this investigation I am looking at how the concentration of acid can change the reaction and how I can explain this using collision theory.

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When using the light sensor I should have covered the underside of the sensor with black material rather than sticking on paper as this could have let in some light.

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In addition I am also checking how different variables affect my experiment and also how I can make my test more precise, reliable and accurate.

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This is an investigation about the decomposition of sodium thiosulphate. A reaction may release or absorb energy, and a phase may change, such as in melting and boiling.

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We found that there was one anomalous result.

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I predict that the greater amount of concentration the faster the reaction will take place.

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There is a minimum amount of energy which colliding particles need in order to react with each other

Chemical reaction can be represented by the following general equation. Therefore, when the two reactants are combined, a displacement reaction occus and the magnesium displaces the hydrogen, forming magnesium chloride and hydrogen gas.

Both of the chemicals are clear solutions and they react together to form a yellow precipitate of sulphur, the equation for this reaction is: The alkane formed by hydrogenation of S methylhexene I is optically active, while the one formed by hydrogenation of S methylpentene II is not. It is quite difficult to judge properly the exact moment that the cross disappears - the human eye is just not strong enough.

Sulphur forms a colloidal precipitate which gives the solution a cloudy yellow appearance. The symbol equation for this is: Clearly this energy was only enough to push some of the particles beyond their activation energy.

Record this time and repeat this for different concentrations of hydrochloric acid. Abstract By adding HCl to 2-methylbutanol, through the Sn1 mechanism, 2-chloromethylbutane is formed. Get feedback on grammar, clarity, concision and logic instantly. In the experiment we use hydrochloric acid which reacts with the magnesium to form magnesium chloride. For example, the rusting of iron through oxidation has a slow This really helped me with my chemistry coursework and I used the physics one for my physics a coursework and I got an An overall thank you so much!!!!

The results will be analyzed graphically to determine the order of reaction — the mathematical relationship This was because there was not very much heat. Chemical Reactions Safety 1. Investigating Rate of Reaction between Iodide ions and Peroxodisulphate ions with respect to Temperature and use of a Catalyst Introduction The aim of this experiment was to investigate the affect of the use of a catalyst and temperature on the rate of reaction while keeping all the other factors that affect the reaction rate constant.

In this case I am going to look at hydrochloric acid and sodium thiosulphate which is a precipitation reaction. Every reaction is different in that they all require different conditions Method Firstly I will draw a small dark cross on a piece of paper and place it on a bench mat. Experiment for Chemistry Coursework For this investigation I am looking at how the concentration of acid can change the reaction and how I can explain this using collision theory.

Introduction Nucleophilic substitution reactions such as Sn1 and Sn2 allow us to convert one functional group to another.

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