Answer to Question #62509 in General Chemistry for Lauren

Question

When a 0.240-g sample of benzoic acid is combusted in a bomb calorimeter, the temperature rises 1.643 ∘C . When a 0.265-g sample of caffeine, C8H10O2N4, is burned, the temperature rises 1.494 ∘C . Using the value 26.38 kJ/g for the heat of combustion of benzoic acid, calculate the heat of combustion per mole of caffeine at constant volume.