5 gram Delta 8 Disposable THC HHC Vape Pen with Preheat 4asvapes Vaping Products Enthalpy of vaporization Wikipedia Calculate the enthalpy change for the process CCl4(g) gives C(g) plus 4 Cl(g) and calculate bond enthalpy of C Cl in CCl4(g). Standard enthalpy of vapourisation `Delta_("vap")H^( )` for water at `100^@C` is `40.66 kJ mol^( 1)`. The internal energy of vapourisation of water at `100^@C` (in kJ `mol^( 1)`) is (Assume water vapour to behave like Solved Heat of vaporization of water at 100 degree C and Chegg.com