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How much work is done agaist uniform pre...

How much work is done agaist uniform pressure when `1g` of water at `100^(@)C` is converted into steam? Express your result in calories `(J=4.2` joules per calorie volume of `1kg` of steam at `100^(@)C=1650xx10^(-3)m^(3)` and 1 atmospheric pressure `=10^(5)Nm^(-2)`)

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The correct Answer is:
`39.26J`
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