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Investigate the relationship between surface area and the rate of oxygen production, when a potato is placed in a solution of hydrogen peroxide.
Member rating: No Rating | Words: | Submitted: Mon Jan 05 2004
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Aim: To Investigate the relationship between surface area and the rate of oxygen production, when a potato is placed in a solution of hydrogen peroxide. Apparatus: Clamp Stand, Chemical Flask, Gas Syringe, Rubber Tube, Beaker, Timer, Measuring Cylinder, Bung, Core, Potato, Pipettes, Hydrogen Peroxide, Scalpel Borer Planning: What are enzymes? An enzyme is a biological catalyst. But what is a catalyst? A catalyst is a substance that speeds up the rate of a chemical reaction without being consumed in the process. There are hundreds of different types of chemical reactions going on all the time inside our cells and within our bodies. In our stomach and small intestine, chemical reactions occur which break up the food we eat into smaller particles that can be absorbed by our cells. For example a complex sugar molecule found in milk products called lactose must first be broken up into two molecules - glucose and galactose - before absorption by the body's cells. This reaction normally...
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