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The aim of this experiment is to find out how temperature affects the rate of reaction between Sodium thiosulphate and hydrochloric acid.
Member rating: No Rating | Words: | Submitted: Mon Sep 22 2003
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Obtaining Evidence Time (sec) for reaction to take place Temperature of Sodium thiosulphate Rep1 Rep2 Rep3 Rep4 10 254 260 257 263 20 133 136 127 130 30 74 68 71 77 40 34 40 37 43 50 22 20 20 18 60 11 10 7 9 70 8 7 7 6 80 4 4 4 5 90 3 3 4 4 100 3 2 3 2 Plan Aim of experiment The aim of this experiment is to find out how temperature affects the rate of reaction between Sodium thiosulphate and hydrochloric acid. Prediction I predict that every time the temperature increases by 10 degrees the rate of reaction will double. I also predict that the rate of reaction will increase dramatically, because rate of reaction increases when you increase the concentration of one of the reactants and rate of reaction also increases when you increase temperature. When temperature increases so should the rate of reaction, the equation for this is - Nas2O3(aq)+2Hc1(aq) -> 2=C1(aq)_+H2O(1)+S(s)+So2(g) There are many factors that affect the rate of reaction, for example - * Collision Theory - Reaction rates are explained perfectly by collision theory. It's really simple. The rate of reaction simply depends on how often and how hard the reacting particles collide with each other. * Temperature...
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