Question

definition of calorie (cal)​

Answer 1

Answer:

1. The energy needed to raise the temperature of 1 gram of water through 1 °C (now usually defined as 4.1868 joules).

2. The energy needed to raise the temperature of 1 kilogram of water through 1 °C, equal to one thousand small calories and often used to measure the energy value of foods.

Answer 2

Answer:

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