What is the heat capacity, Cp, of liquid n-hexane at 29.0C ? What is the heat capacity of gaseous n-hexane at 29.0C ? Cp= What is the heat capacity of crystalline calcium carbide at 29.0C ? What is the change in specific enthalpy, H^, of gaseous n-hexane from 29.0C to 381C ? H^ kJ/mol What is the change in specific enthalpy, H^, of calcium carbide from 29.0C to 381C ? H^ kJ/mol