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Investigating Rates of Reaction
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Investigating Rates of Reaction AIM: To investigate the effect of concentration on rates of reaction using Sodium Thiosulphate and Hydrochloric Acid. Sodium Thiosulphate + Hydrochloric Acid> Sodium Chloride solution + Sulphur Dioxide + Sulphur Na O> Na Cl + SO + S Hypothesis: The possible variables I could investigate could be: * Volume of liquid * Concentration of Sodium Thiosulphate * Concentration of Hydrochloric acid * Stir Quantity I have chosen to vary the concentration of the Sodium Thiosulphate to see how his effects the rate of the reaction. I think that lowering the concentration of the Sodium Thiosulphate in the same volume of water will cause the reaction to slow dramatically. This is because of the collision theory. The collision theory states that before a chemical reaction can take place the atoms, molecules or ions of a substance must collide. The more reactions that take place the faster the reaction. This is because when atoms, molecules...
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