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Comparing the Enthalpy Changes of Combustion of Different Alcohols Introduction In this investigation I will set out to find the differences in the enthalpies of combustion of 6 different alcohols. These are methanol, ethanol, butan-2-ol, propan-1-ol, propan-2-ol and 2Methylpropan-1-ol. I can then find the variation between straight chain and branched molecules and isomers. Planning Method Carrying Out The Experiment To carry out the experiment, I will fill my calorimeter with 75g of water. It is important that this is accurate, as it is needed to find the enthalpy change. The calorimeter will be held up by a clamp, connected by a boss to a clamp stand so that heat can be applied without having to hold the calorimeter up myself. The calorimeter always needs to be the same distance away from the heatproof mat at the bottom. The calorimeter is made of copper and is a good conductor which means that most of the heat the...

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