2007-08-31 09:18:38 · 2 answers · asked by GCTA 4 in Science & Mathematics ➔ Chemistry
kilocalorie - a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food.
The small calorie or gram calorie approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.184 joules.
The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.184 kJ, and exactly 1000 small calories.
2007-08-31 23:09:05 · answer #1 · answered by Anonymous · 0⤊ 0⤋
A kilocalorie is a unit of energy. An example of one are the Calories listed on food. (Note the capital C means these are kilocalories and not calories.) A kilocalorie is the amount of energy required to raise a kilogram of water by 1 degree C.
2007-08-31 16:31:37 · answer #2 · answered by supastremph 6 · 0⤊ 0⤋