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To measure and compare the enthalpy change of combustion for four different types of fuels by burning them and measuring the increase in the temperature of water in a calorimeter.
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Chemistry Coursework Planning Aim: To measure and compare the enthalpy change of combustion for four different types of fuels by burning them and measuring the increase in the temperature of water in a calorimeter. From the increase in temperature of a known mass of water it is possible to calculate the enthalpy change of combustion (?Hc) for the fuels by the following formula Energy transfer = mass x Specific Heat Capacity x ?T joules Where ?T = the change in temperature in degrees Kelvin. The specific heat capacity of water is 4,2 J g-1 K-1 (Cambridge Chemistry 1). The specific heat capacity means the amount of energy required to raise 1 gram of water 1o C. The enthalpy change of combustion is when 1 mole of substance reacts completely with oxygen under standard conditions. Apparatus:> Small copper can which acts as a calorimeter, (base diameter 10cm).> 0-1100C thermometer> 100cm3 measuring cylinder> Spirit burners containing -methanol,...
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