The enthalpy change for converting 10.0 g of ice at -50.0 degrees Celsius at 50.0 degrees Celsius is ________ kJ the specific heats of ice water and steam are 2.09J/g-K , 4.18 J/g-K and 1.84J/g-K respectively for H2O H fus =6.01kJ/mol and Hvap = 40.67kJ/mol