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An Investigation to show how the Surface Area affects the Rate of Reaction between Catalyse in Potato and Hydrogen Peroxide
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Cerith Leighton Watkins. Biology Investigation. An Investigation to show how the Surface Area affects the Rate of Reaction between Catalyse in Potato and Hydrogen Peroxide, (H2O2). My Prediction. I predict that the smaller the potatoes are cut up the faster the reaction will take place simply because there is more surface area for hydrogen peroxide to react with. The surface area is the area of a solid that is exposed to the hydrogen peroxide or any other liquid chemical. The smaller the potato is cut up means the surface area increases so the catalyse inside the potato cells reacts at a quicker rate. When we cut the potato up into smaller pieces the hydrogen peroxide particles have more surface area there is for it to collide with so this is why it reacts quicker because more are colliding with the potato pieces. I predict that on my graph as the surface area is increased...
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