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Find how much heat is necesssary to do i...

Find how much heat is necesssary to do internal work in converting `1g` of water at the normal boiling point into steam at the same temperature. Latent heat capacity of steam `=540xx10^(3)calkg^(-1)`, volume of `1kg` of steam at `100^(@)C=1.65m^(3)`

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The correct Answer is:
`500cal`
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