Calorie
unit of energy (4.184 J) From Wikipedia, the free encyclopedia
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The calorie is a pre-SI unit of energy, synonymous with heat.[source?] A calorie is defined as the amount of energy required to raise the temperature of one gram of water (specific heat capacity = 4,184 J kg-1 K-1)[1] by one K (= °C + 273).[2]
Applications
On food labels, calorie refers to kilocalories (kilo- = 103), which equals to 1000 calories. As such, the word calorie is usually written with a capital C.[source?]
In layman terms, calories denote energy consumption. Think of them like the gasoline in the car. But unlike the car, the body stores the excess gas for long. The reaction to the calorie depends on which macronutrient did that calorie came from.[dubious ][3][4][better source needed]
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