Assuming that water vapour is an ideal gas, the internal energy change `(DeltaU)` when 1 mole
Channel: Doubtnut
Date: 2020-01-19

Assuming that water vapour is an ideal gas, the internal energy change `(DeltaU)` when 1 mole of water is vaporised at 1 bar pressure and `100^(@)C` , (given: molar enthalpy of vaporisation of water `-41KJmol^(-1)` at 1 bar and `373K` and `R=8.3Jmol^(-1)Kmol^(-1)`) will be: