Question

One dietary calorie is an amount of energy sufficient to raise _______ gram(s) of water by 1 ºc.

Answer 1

The calorie (cal) is the amount of heat or energy that is required to raise the temperature of 1 gram of water by 1°C. The kilocalorie (kcal) is the amount of heat or energy that is needed to increase the temperature of 1 kilogram of water by 1°C.