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Investigate the different amounts of energy given off when different alcohols are combusted. I will be using the alcohols of methanol, ethanol, propanol, butanol and pentanol.
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TO FIND THE ENTHALPY OF THE COMBUSTION OF DIFFERENT ALCOHOLS PLANNING C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O(l) (Alcohol + Oxygen --> Carbon Dioxide + Water) Aim: I am going to investigate the different amounts of energy given off when different alcohols are combusted. I will be using the alcohols of methanol, ethanol, propanol, butanol and pentanol. Safety note: In this experiment I will be dealing with Bunsen burners and the heating of alcohols. For this reason I wore safety goggles and I was very careful when handling the alcohols as they can be very dangerous. Variables: Independent Variable: Type of alcohol Dependent Variable: Temperature rise of the water Fixed Variables: Volume of water (100cm3), length of time to heat water (2 mins), length between the wick burner and the beaker of water(5cm). Apparatus: 1. Five different alcohol liquids (Methanol; Ethanol; Propanol; Butanol; Pentanol) 2. Alcohol burners, contains with a wick down the centre so that the liquid can soak up....
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