How to define calorie?
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A calorie is the unit of energy equal to the quantity of heat required to increase the temperature of 1 gram of water by 1 degree celcius at 1 atmospheric pressure.
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One calorie is defined as quantity of heat required to raise the temperature of one gram of water by 1° Celsius. It is the S.I. unit of Heat.
1 kilocalorie = 1000 Calories
1 Calorie = 4.184 Joules
1 kilocalorie = 1000 Calories
1 Calorie = 4.184 Joules
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