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Investigate how the surface area affects the rate of reaction between catalase from a potato and hydrogen peroxide. Aim To find out the relationship between the surface area of a potato chip and the rate of reaction when hydrogen peroxide is put in with it. Variables As I do this experiment the thing I am going to be changing is the surface area of the potato chip, first I will put it in the beaker as a whole (3cm chip) then I will start cutting it into smaller pieces and repeating the experiment. I will keep the temperature the same throughout all the experiments also I will keep the amount and concentration of hydrogen peroxide the same, the amount of potato and the same brand of potato. By doing this I will make it a fair test. Prediction I predict that the bigger the surface area the quicker the 10 cubic cm of hydrogen peroxide gas...

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