Question

# Express calorie in Joules.

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Solution

## 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.Joule is the SI unit of heat.Conversion between calorie and joule is given as$1$ calorie = $4.418$JoulesHence, $1$ calories can be expressed as $4.418$Joules.

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