Loading...
Express the change in internal energy of a system when
If water vapour is assumed to be a perfect gas, molar enthalpy change for vapourisation of 1 mol of water at 1bar and 100°C is 41kJ mol–1. Calculate the internal energy change, when 1 mol of water is vapourised at 1 bar pressure and 100°C.
© 2026 PadhAiPro. This question is provided for educational purposes.