What is the heat capacity, Cp, of liquid n-hexane at 49.0C ? Cp= kJ/(molC) What is the heat capacity of gaseous n-hexane at 49.0C ? Cp= kJ/(molC) What is the heat capacity of crystalline calcium carbide at 49.0C ? Cp= kJ/(molK) What is the change in specific enthalpy, H^, of gaseous n-hexane from 49.0C to 391C ? H^= kJ/mol What is the change in specific enthalpy, H^, of calcium carbide from 49.0C to 391C ? H^= kJ/mol