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A definition to what a calorie is

User Ashutosh
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Definition:

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

Step-by-step explanation:

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.

User Tim Harding
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