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Rate Of Reaction
Member rating: No Rating | Words: 3917 | Submitted: Thu Sep 13 2007
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Aim: The rate of reaction can be altered by varying temperature or concentration, or by changing the surface area of a solid reactant, or by adding a catalyst and increasing the pressure. Here I have listed the I am going to investigate the reaction between hydrochloric acid and sodium Thiosulphate, which is a precipitation reaction, and their rate depends on temperature and the concentrations of the solutions. I will repeat this experiment at several different temperatures and concentrations. I am going to observe how the concentration and temperature will affect the rate of reaction (temperature /average time).Below is the word and symbol equation that they react in. Sodium Thiosulphate + Hydrochloric acid -> Sodium Chloride + Sulphur + Sulphur Dioxide + Water Na2S2O3 (aq) + 2HCl (aq) -> 2NaCl (aq) + S (s) + SO2 (g) + H2O (l) Prediction: For temperature I have predicted that when the temperature is increased the time and rate...
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