Naphthalene Combustion May Be Used to Calibrate the Heat Capacity

question 22

Multiple Choice

Naphthalene combustion may be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene is -40.1 kJ/g. When 0.8210 g of naphthalene was burned in a bomb calorimeter containing 1.000 kg of water, a temperature rise of 4.21°C was observed. What is the heat capacity of the bomb calorimeter excluding the water?

• A) 32.9 kJ/°C
• B) 7.8 kJ/°C
• C) 3.64 kJ/°C
• D) 1.76 kJ/°C
• E) 15.3 kJ/°C