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An Investigation Into How Temperature Affects The Rate At Which Yeast Catalase Catalyses The Decomposition Of H O
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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An Investigation Into How Temperature Affects The Rate At Which Yeast Catalase Catalyses The Decomposition Of H O Aim: To Investigate how temperature affects the rate at which catalase catalyses hydrogen peroxide. Apparatus And Materials: 20cm 5 % yeast solution 2gs yeast 40cm warm water 1 small (50ml ) beaker Metal spatula 50cm hydrogen peroxide (H O ) 1mo/dm Stopwatch Gas syringe 100cm conical flask 2 x 5cm syringe 2 test tubes Thermometer Clamp 500cm glass beaker Measuring cylinder Balance Bunsen Burner Tripod Gauze Heat Proof Mat Method: 1) Set up the apparatus as shown above, put on apron and safety goggles. 2) Take the 2gs of yeast and add to the 40cm of warmed water in the small beaker, stir using the metal spatula and leave to stand for a minute. 3) 2cm of the yeast solution should be measured out using a 5ml syringe and placed in 1 of the test tubes, 5cm of the H O should be measured out using the other 5cm syringe and placed in the other test...
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