JEE Main 26-Aug-2021 Shift 2 Solved Paper

Section: Chemistry

Question : 53 of 90

Marks: +1, -0

For water ΔvapH=41‌kJ‌mol−1 at 373K and 1 bar pressure. Assuming that water vapour is an ideal gas that occupies a much larger volume than liquid water, the internal energy change during evaporation of water is ......... kJ‌mol−1.
[Use‌R=8.3Jmol−1K−1]

[26 Aug 2021 Shift 2]

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