A slice of banana weighing 2.502 g was burnt in a bomb calorimeter producing a temperature rise of 3.05 oc . the combustion of 0.316 g of benzoic acid in the same calori meter produced a temperature rise of 3.24 oc . the heat of combustion of benzoic acid at constant volume is - 3227 kj /mole . if average banana weigh 125 g , how many calories can be obtained from one average banana