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Words: | Submitted: Wed Oct 29 2003
... We decided to reduce the liver slightly to 2.5g so that we would stay within the maximum capacity of the measuring cylinder (50ml) on higher results. From the preliminary work, we concluded that 20ml of 2 volume hydrogen peroxide and 2.5g of liver using a 50ml measuring cylinder for gas collection will be the best conditions for getting measurable results. Equipment 250ml beaker Large plastic bowl 2x 50ml measuring cylinders 2 Volume hydrogen peroxide (~300ml) Thermometer Bunsen burner, tripod, gauze, heatproof mat Ice cubes Scalpel 50g of liver or 15x2.5g pieces Boiling tube Bung and delivery tube Balance White tile Diagram Plan First, the equipment will be set up, a large bowl of water will be filled to about 10cm deep, enough to submerge a beehive shelf. Then a water bath will be prepared containing 50ml of water, and placed on the tripod. One of the measuring cylinders will be filled with water and it's end submerged in the bowl, so as not to let any air into ...
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