Delta S` for vapouization of 900g water (in KJ K ) is `Delta H_(Vap)=40KJ(mol)^ 1 ` Plot the following data, and from the graph determine Delta Hvap for magnesium and lithium. In which metal is the bonding stronger? Homework.Study.com a) Show that the value of \Delta H for the adiabatic expansion of a perf.. Delta Vap H Latent Heat of Vaporization Delta Hvap of Water calculated by corresponding states correlation in a one cell excel formula Change in enthalpy of substance x is 300 j gm at its boiling point 300k then molar entropy change for Brainly.in