Chlorine gas is to be heated from 120C and 1 atm to 165C.

(a) Calculate the change in the specific enthalpy of the gas (in kJ/mol).

(b) Calculate the heat input (in kW) required to heat a stream of the gas flowing at 0.2500 kmol/s from 120C and 1 atm to 165C.

(c) Calculate the heat input (in kJ) required to raise the temperature of 5.000 kmol of chlorine in a closed rigid vessel from 120C and 1 atm to 165C.

(d) Calculate the heat input (in kJ) required to raise the temperature of 5.000 kmol of chlorine in a closed piston-cylinder device from 120C and 1 atm to 165C.

(e) Calculate the boundary work (in kJ) for the piston-cylinder device in part (d).