Question

Define calorie, kilocalorie and mean calorie.
Write down the relation between calorie and joule.
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Answer 1

Answer:

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

KILO CALORIE: a unit of energy of one thousand calories (equal to one large calorie).

MEAN CALORIE:: a unit for measuring heat equal to the amount of heat required to raise the temperature of one gram of water one degree Celsius.

RELATION B/W

CALORIE AND JOULE

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.

Answer 2

Explanation:

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