Solved: H v a p for water is 40.7 KJ mol 1 . The entropy of vapo [Chemistry] For the vaporisation of water : `H_(2)O (I) hArr H_(2)O(g)` [1 atm. Pressure] Given : `Delta S = 120 JK^( 1)` and `Delta H =+45.0 kJ`. Evaluate the temperature at which liquid water 5 gram Delta 8 Disposable THC HHC Vape Pen with Preheat 4asvapes Vaping Products Delta S` for vapouization of 900g water (in KJ K ) is `Delta H_(Vap)=40KJ(mol)^ 1 ` 18.5: Free Energy Chemistry LibreTexts Finding Delta H using ln P vs 1 T (Hvap Lab)