The enthalpy of vaporisation of CCl4 is 30.5kJmol-1. Calculate the heat required for the vaporisation of 284 g of CCl4 at constant pressure.
(Molar mass of CCl4=154gmol-1)


Given that, 1molofCCl4=154g
vapHfor154gCCl4=30.5kJ
vapHfor284gCCl4=30.5×284154kJ=56.25kJ