7. Calculate the amount of energy required to convert 247g of solid ice (MMH2O=18.02 d dmol) at 0.0C to hot water at 70.0C. The molar enthalpy of fusion ( Hm ) of ice is 6.01kJ/mol and the heat capacity of water is 4.184J/gC ) a) 173kJ b) 36.2kJ c) 100kJ d) 769kJ e) 117kJ f) 155kJ g) 794kJ hi) 833kJ