Investigating Catalase.

... ENZYMES Investigating Catalase Plan I will investigate how the concentration of hydrogen peroxide effects the volume of gas produced and how long it takes for the height of the foam produced to reach a certain height when reacted with the enzyme catalase, which is present in potatoes. In order to make my experiment fair, I must keep some factors constant: - INPUT CONSTANTS OUTPUT Concentration Volume of hydrogen peroxide Volume of Oxygen Surface area of potato Height of foam Temperature of hydrogen peroxide Cross section and overall length of potato Temperature of room Type of hydrogen peroxide Same potato pH of enzymes I chose to use concentration as my input variable. The other variables I could have changed are: - * Temperature (of Hydrogen peroxide) - changing the temperature would mean the hydrogen peroxide particles would have more energy meaning more successful collisions will occur making the reaction not only faster, but more oxygen would be collected in the same amount of time then if it was not

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