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The reaction between sodium thiosulphate and hydrochloric acid:Looking at the graph the order of reaction established is 1st order
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Interpretation Investigation 1:the effect of concentration changes To summaries the results of the investigations the rate of reaction is used in the form of a rate equation. A rate equation shows how changes in the concentrations of reactants affect the rate of a reaction. An example of a general reaction for which x mol A react with y mol B to form products: xA + yB? products The rate equation is expressed in this form: Rate = k[A]n [B]m Where [A] and [B] represents the concentrations of the reactants in moles per litre. The powers n and m are the reaction orders. Therefore the reaction above is order n with respect to A and order m with respect to B the overall order is (n+m).The rate constant, k, is only constant for a particular temperature. The reaction between sodium thiosulphate and hydrochloric acid: Looking at the graph the order of reaction established is 1st order. Na2S2O3(aq) + 2HCl(aq) S(s) +...
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