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The Influence of Temperature on Reaction Rate in the Reaction between Sodium Thiosulphate and Acid.
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| Submitted: Sun Dec 15 2002
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Emily Hatton 11MB July - October 2001 The Influence of Temperature on Reaction Rate in the Reaction between Sodium Thiosulphate and Acid. Plan When sodium thiosulphate (Na S O ) reacts with hydrochloric acid (HCl) sulphur precipitates throughout the solution. It becomes cloudy and eventually you cannot see a black cross on a white piece of paper held underneath the beaker. Sulphur precipitates and doesn't dissolve as sulphur is insoluble, the sulphur is in suspension. Sodium Thiosulphate + Hydrochloric Acid ( Sodium Chloride + Sulphur + Water + Sulphur Dioxide Na S O (aq) + 2HCl(aq) ( 2NaCl(aq) + S(s) + H O(aq)+ SO (g) I am going to investigate whether changing the temperature at which the solution is heated at will increase the rate of reaction. The rate of reaction is how long it takes for the reactants to turn in to the products of the solution. A chemical reaction can only occur between...
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