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Rates of reactions investigation.
Member rating: No Rating | Words: | Submitted: Fri Nov 07 2003
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Rates of Reactions Investigation Theory The aim of this investigation is to mix two liquid substances together and produce a cloudy substance, a suspension of Sulphur. During this experiment I am going to use Hydrochloric acid and Sodium Thiosulphate to produce a cloudy solution. The solutions provided, produce enough sulphur to make a cross disappear in about 40 seconds. I want to predict the conditions that will be produced in the cross vanishing in exactly 90 seconds. Therefore to do this I need to use the thoery of rates of reactions. The equation below tells us that the precipitate is the solid sulphur which is one of the product of the reaction. Na2S2O3 + 2HCL 2NaCl + H2O + SO2 + S (s) Hydrochloric acid + Sodium Thiosulphate Sulphur + Sulphur Dioxide + Water + Sodium Chloride The rate of a reaction is the speed at which the reactants are made into products. The...
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