24 19. (a) Use Trouton's rule, Delta Hvap^circ approx (88 Delta Vap H Latent Heat of Vaporization Delta Hvap of Water calculated by corresponding states correlation in a one cell excel formula The enthalpy of vaporization of \mathrm{H}{2} \mathrm{O}(1) is x \mathrm{~kJ} \mathrm{mol} and enthalpy of formation of water vapour \mathrm{ykJ} \mathrm{mol}. Enthalpy of formation of Enthalpy Changes delta h Nuclear Power Delta Extrax HXY11 THC + D10 + THC H Live Resin 3ml Disposable Vape Pen Calm Leaf Delta_H_vap_methanol.jpg