The following information is given for lead at 1atm: boiling point = 1.740 degree C melting point = 328 degree C specific heat solid = 0.130 J/g degree C specific heat liquid = 0.138 J/g degree C delta H_vap (1.740 degree C) = 178 kJ/mol delta H_fus (328 degree C) = 4.77 kJ/mol What is delta H in kJ for the process of freezing a 33.2 g sample of liquid lead at its normal melting point of 328 degree C. kJ