2. 1.75 mole of an ideal gas with (heat capacity per mole at
constant volume) is expanded adiabatically against a const external pressure of 1 bar.
The initial temperature and pressure are 290 K and 19.5 bar. The final pressure is l
bar.
申論題內容
(2) Calculate g(heat), w(work), △U (change in internal energy) and △H (change in
enthalpy) for the process.