How much heat must be supplied to 43 g of ice at -27C to convert it to steam at 161C? (Specific heats: ice = 2.0 J/gC; water = 4.2 J/gC; steam = 2.0 J/gC. Molar heat of fusion of water at 273 K = 6.01 kJ/mol. Molar heat of vaporization of water at 373 K = 40.7 kJ/mol.)