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Thermometer Stirrer A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. Ignition wires heat sample In an experiment, a 0.8426 g sample of isophthalic acid (CgH604) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.023x103 g of water. During the combustion the temperature increases from 23.93 to 27.04 °C. The heat capacity of water is 4.184 ) g-10c-1. Water The heat capacity of the calorimeter was determined in a previous experiment to be 762.1 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of isophthalic acid based on these data. Insulated outside chamber Sample dish Burning sample Steel bomb CgH604(S) + (15/2) O2(g) 3 H2O(1) + 8 CO2(g) + Energy Combustion (bomb) calorimeter. Molar Heat of Combustion = kJ/mol