# Compute the latent heat of 10 kg substance if the amount of heat for a phase change is 300 kcal.

## Question

## Solution 1

The latent heat of a substance is the amount of heat energy required to change the phase of a unit mass of the substance, without changing its temperature. It is usually expressed in terms of amount of heat per unit mass, such as calories per gram (cal/g) or kilocalories per kilogram (kcal/kg).

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