Question

What is the relation between joule and calories

Answer 1

One small calorie is approximately 4.2 joules (so one large calorie is about 4.2 kilojoules). The factor used to convert calories to joules at a given temperature is numerically equivalent to the specific heat capacity of water expressed in joules per kelvin per gram or per kilogram.

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Answer 2

Answer:

Answer: One small calorie is approximately 4.2 joules (so one large calorie is about 4.2 kilojoules). The factor used to convert calories to joules at a given temperature is numerically equivalent to the specific heat capacity of water expressed in joules per kelvin per gram (or per kilogram, for kilocalories).Jun 23, 2018. A calorie is a unit of measure of the energy required to raise the temperature of 1 gram of water by 1 degree C. A joule is a unit of electrical energy, commonly used in the physical sciences, equal to the work done when a current of one ampere is passed through a resistance of one ohm for one second.

Explanation: 1 calorie = 1000 calories

1 kJ = 1000 joules

1 kilocalories (kcal) = 4.184 kJ (kJ)

1 calorie = 4.182 joules

Calories are the unit of energy. 1 calorie is the energy needed to make one gram of water rise by one degree.

According to international units, energy should be expressed in joules

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