Saturated-vapor steam at 100 KPa is compressed adiabatically to 300 KPa. If the compressor efficiency is 0.75, what is the work required and what are the properties of the discharge stream?​

10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.