A 2. 50 mol sample of benzene (c6h6, 78. 11 g/mol) was burned in a bomb calorimeter with a heat capacity of 800 j/°c. The calorimeter contained 100g of water (4. 18 j/g°c), and the temperature increased by 4°c. What is the molar heat of combustion of benzene in kj/mol of benzene?.