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To find how the rate of reaction/rate of decomposition is affected by the concentration of hydrogen peroxide. Liver will be used as a source of catalase, used as a catalyst.
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- Words:
- 2190
- Submitted:
- Wed Aug 27 2003
... BIOLOGY INVESTIGATION PLAN- INVESTIGATING THE DECOMPOSITION OF HYDROGEN PEROXIDE Aim: To find how the rate of reaction/rate of decomposition is affected by the concentration of hydrogen peroxide. Liver will be used as a source of catalase, used as a catalyst. Diagram: Hypothesis: Hydrogen is a colourless substance that is sometimes used to bleach hair. It is harmful to humans. Some cells in the body can break down harmful substances such as hydrogen peroxide into non-toxic chemicals such as water and oxygen. The equation for this is: 2H2O2(aq)-->2H2O(l)+O2(g) One of the organs that can break hydrogen peroxide down into water and oxygen is the liver, which contains catalase. Catalase is an enzyme that acts as a catalyst. This can help to decompose Hydrogen Peroxide quickly. A catalyst is a substance that speeds reactions. The concentration of hydrogen peroxide is given as the volume of oxygen that can be obtained from one volume of the solution. For example, 10cm3
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