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Science Course Work
Member rating: No Rating | Words: | Submitted: Tue Feb 14 2006
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Science Course Work Rates Of Reaction Aim: My aim is to find out how the rate of the reaction between Sodium thiosulphate and hydrochloric acid changes as the concentration of hydrochloric acid (Input Variable) changes. Word Equation: Sodium Thiosulphate + Hydrochloric Acid Sodium Chloride + Sulphur Dioxide + Sulphur + Water Symbol Equation: Na2 S2 O3 (aq) + 2Hcl (aq) 2NaCl (aq) + SO2 (g) + S(s) + H2O (L) The rate of a chemical reaction is the speed at which it takes place. It can vary from a fraction of a second to several weeks, months or even years. The 3 main factors which affect the rate of a reaction are, changing the surface area of any solids involved in the reaction, changing the concentration of any reactants that are in solution and changing the pressure in reactions where gases are involved. Since I want to find out how the concentration of hydrochloric acid...
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