Investigating the Effect of Heat on the Rate of Reaction Between Sodium Thiosulphate Solution and Hydrochloric Acid.
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Investigating the Effect of Heat on the Rate of Reaction Between Sodium Thiosulphate Solution and Hydrochloric Acid. Planning In this experiment I shall investigate the effect of temperature on the rate of reaction. I shall do this by placing the Sodium Thiosulphate solution and the Hydrochloric acid together inside test tubes kept at different temperatures and measuring their rates of reaction. The equation of this reaction is: Sodium + Hydrochloric › Sodium + Sulphur + Sulphur + Water Thiosulphate Acid Chloride Dioxide Na2S2O2(aq) + 2HCl(aq) › NaCl(aq) + S(s) + SO2 + H2O The Formula for rate of reaction is: Rate of Reaction = Amount of Sulphur Produced Time The colourless solutions will react to become cloudy over a period of time and will eventually become opaque due to sulphur being produced. In this reaction the rate of reaction will be measured by timing how long it takes for the solution to become opaque. As the amount of...

