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Investigating How Catalase Breaks Down Hydrogen Peroxide Equation: 2H2O2 2H2O + O2 Hydrogen Peroxide Water + Oxygen Introduction: There are two main reactants that affect the rate of reaction of Hydrogen Peroxide. These are temperature and concentration. I had the choice to investigate the rate of reaction using temperature or concentration. I decided to investigate the concentration of Hydrogen Peroxide being broken down by catalase. So I am going to investigate the breakdown of Hydrogen Peroxide with catalase, by adding small beads made of alginate and yeast. I will then time it to see how quickly the bead rises, in different amount of concentrations of Hydrogen Peroxide. We can see (using the equation), that Hydrogen Peroxide is broken down by catalase into water and oxygen. Hydrogen Peroxide is a colourless liquid, so we can't see when water is formed, but oxygen is a gas, so it will be seen because it will give...

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