. 0.1 mol of methane gas, which has a standard absolute entropy of 186.26 J/mol K and a heating heat ratio of 1.31, is expanded at 80 C and from 1 atm to 0.1 atm by taking maximum work from the adiabatic way. Find the quantities v1, v2, T2, Cv, Cp, q, w, u, s, a, h, s1 and s2 and g in the event