the relationship between calorie and joule?
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The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the temperature of 1 gram of water 1° Celsius. Since 1925 this calorie has been defined in terms of the joule, the definition since 1948 being that one calorie is equal to approximately 4.2 joules.
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the calorie was originally defined as the amount of heat required at a pressure of 1standard atmosphere to raise the temperature 1 grams of 1Celsius.
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