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

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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 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. Raising the temperature makes the particles move faster. This means that the particles collide more frequently with each other and the rate of the reaction increases.

Heating the solution also increases the number of particles with activation energy which again causes more collisions and therefore speeds up the reaction.

We also predicted that the lower the concentration of Sodium Thiosulphate the slower the rate of reaction will be. This is because the there are less particles for the Hydrochloric acid to collide with.The more particles that there are in the same volume, the closer to each other the particles will be. This means that the particles collide more frequently with each other and the rate of the reaction increases.
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Before we did the experiments we did Preliminary experiments. For the temperature we decided to do the experiment at room temperature to see how fast it reacted. This helped us to decide a suitable range for the input variable. For the concentration, we used undiluted Sodium Thiosulphate to see how long it took for the reaction to have fully taken place. This again helped us decide a suitable range for the input variable.

To do the temperature investigation, using a measuring cylinder we took 200cm2 of Sodium Thiosulphate and heated it to 80? using a Bunsen burner ...

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