Methane gas is compressed in a steady state now process from 101KPa and 277deg to 500KPa and 165 deg.C. Assume methane to be an loeal gas under all conditions {R=83145 Jimol K specitic heat capacity Cp/R=17+0.0097(K)} and surrounding to beat a constant temperature of 27 deg C. If the loiai entropy change (of the system and surroundings) during the process is 4.5 Jimol K find (6) Marks) a. The specific enthatpy and specinc entropy changes of methane D. The net shat work done and heat exchanged with the surroundings, per mole methane. c. The inermodynamic eficiency of the process