Chemistry coursework hydrochloric acid and sodium thiosulphate

Chemistry coursework hydrochloric acid and sodium thiosulphate

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Home chemistry coursework hydrochloric acid and sodium thiosulphate

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

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Initial protonation occurs at sulfur. Dimercaprol Edetates Prussian blue.

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The reaction between Sodium Thiosulphate and Hydrochloric acid

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Lani - this experiment was done 3 years ago.

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Chemistry Coursework - Sodium Thiosulphate

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This is because as the temperature increases, the reactant particles move more quickly.

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The reaction between Sodium Thiosulphate and Hydrochloric Acid.

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From Wikipedia, the free encyclopedia. I predict that as the concentration of the Sodium Thiosulphate doubles, the rate of the reaction will double.

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Sodium thiosulfate

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I can see from observing the table that the first part of my prediction was correct.

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Rate of Reaction - Sodium Thiosulphate and Hydrochloric Acid Coursework

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This really helped me with my cehmistry coursework and I used the physics one for my physics a coursework and I got an An overall thank you so much!!!! If you did not, then you would need to write about it in your conclusion Lani - this experiment was done 3 years ago.

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Rates of Reaction - Hydrochloric Acid and Dodium Thiosulphate

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Only a small percent result in a reaction.

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Hydrochloric acid is a weak group because it has no negative charge, and works well for the reaction.

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Get feedback on grammar, clarity, concision and logic instantly. It is a precipitation experiment.

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I predict that as the concentration of the Sodium Thiosulphate doubles, the rate of the reaction will double.

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I shall back up my results for this section by using results generated by another group using the optical method outlined in the plan for the second variable below.

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It is measured by dividing 1 by the time taken for the reaction to take place: I believe that when the most concentrated solution is used the reaction would be at its fastest.

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To confirm, a successful reaction, AgNO3 was added to the 2-chloromethylbutane.

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I will also try to make my timing and the heating of the sodium thiosulphate solution as accurate as possible. The anhydrous salt exists in several polymorphs.

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Sulphur forms a colloidal precipitate which gives the solution a cloudy yellow appearance. 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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From this evidence I believe my results were very reliable.

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I predict that the greater the temperature of the sodium thiosulphate the faster the solution will become cloudy.

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Particles can only collide when the two sorts can meet.

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I will also investigate if there will be a change in temperature after the reaction has occurred.

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To confirm, a successful reaction, AgNO3 was added to the 2-chloromethylbutane. I am, however due to my line of enquiry, hgdrochloric to change the temperature of the solution.

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The four main variables that affect rate are:

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From the table above I can see that, as the temperature increases, the time taken for the cross to disappear decreases. This is because of a problem with gathering the data. The advantage of this approach is that thiosulfate is essentially not toxic and that ore types that are refractory to gold cyanidation e.

There are certain factors that can affect the rate of reaction. Reaction Rates Chemical Reactions Essays]. On an industrial scale, sodium thiosulfate is produced chiefly from liquid waste products of sodium sulfide or sulfur dye manufacture.

Comments are not for promoting your articles or other sites. Don't post that wrong web page sorry: Method Firstly I will draw a small dark cross on a piece of paper and place it on a bench mat. Despite this, if the prediction is correct and it is proportional, I should still be able to tell from the ensuing graph.

Main investigation Prediction I predict that the greater the temperature of the sodium thiosulphate the faster the solution will become cloudy. Copper sulfate Ipecacuanha Syrup of ipecac.

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