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Comparing the enthalpy changes of combustion of different alcohols Plan Aim: To compare the enthalpy changes of combustion of different alcohols. Apparatus and Quantities: · 4 Spirit Burners containing - methanol, ethanol, propan-1-ol, butan-1-ol · Small copper can to act as a calorimeter · 0-110°C thermometer to measure temperature · 100 cm^3 measuring cylinder · Aluminium shield to reduce heat loss to surroundings · Digital Balance · Retort Stand, Boss and clamp (x2) · Water (800 cm^3) Method: 1) Using a 100 cm^3-measuring cylinder, measure 100 cm^3 of water and this water in the copper can. 100 cm^3 of water should be used, as this is an appropriate amount of water as this fills ¾ of the can, so it is just enough water to give a sufficient temperature rise. The copper can is used as copper is a good conductor and therefore it will distribute the heat equally. ...

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