Question

Enthalpy of vapourisation of liquid water is 41 kJ mol-'at 373 K. The change of internal energy when 19
water at 373 K is converted to steam at 373 K is
1) 38 kJ
2) 38 J
3) 21 J
4) 2.1 kJ

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Answer 1

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Explanation:

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Answer 2

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Explanation:

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