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How much energy can we get from margarine?
Member rating: No Rating | Words: | Submitted: Wed Mar 24 2004
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How much energy can we get from margarine? (c) KCl http://hk.geocities.com/fatherofchemistry Objective To determine the enthalpy change of combustion of margarine, which is the energy stored in margarine per gram. Principle Margarine is a kind of fat. It can give out energy by burning or by respiration. By using simple calorimetric method, the quantity of this energy can be established. Experimental set-up Chemicals margarine, water Apparatus thermometer, aluminium can, wick, bottle cap, wooden block, tripod Procedure 1.> Fill a bottle cap with margarine up to the rim of the cap. 2.> Smear the whole length of about 4 cm of a thick string (not nylon or synthetic fibre) with margarine. 3.> Push the string into the margarine leaving about 0.5 cm sticking out at the edge of the bottle cap and pointing up like a wick. 4.> Weigh the bottle cap and contents. 5.> Weigh an aluminium can (a used Coke or 7-up can will do)...
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