3. Carbon monoxide is compressed reversibly and adiabatically in a piston-cylinder from 1.0 bar and 75°C to 47 bar. a. Use the Peng-Robinson equation of state to determine the amount of

work performed on the gas. b. How much work would be required for an ideal gas? c. Explain the reasons for the differences between (a) and (b) based on interactions between the gas molecules.