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Investigation into How Temperature Affects the Rate at Which an Enzyme Works.
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Investigation into How Temperature Affects the Rate at Which an Enzyme Works. Prediction: I predict that the temperature at which catalase will work quickest on hydrogen peroxide is at around 37?C (human body temperature). Hypothesis: Hydrogen peroxide will dissociate itself to form water and oxygen. But this takes a long time so catalase in the potato is used to speed up the reaction. The catalase is an enzyme, enzymes are catalysts which control the speeds of chemical reactions in cells, which lower the activation energy needed for particles to react, so that they will react more easily and are sensitive to changes in temperature. The increase in temperature gives more activation energy so that the particles of hydrogen peroxide and the Catalase enzymes collide with each other more often. (An increase in pH also does the same as temperature.) The activation energy is a barrier which the reactants (catalase and hydrogen peroxide) must...
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