GATE MT 2021 Q44. One mole of an ideal gas at 10 atm. and 300 K undergoes reversible adiabatic expansion to a pressure of one atm. The work done (in Joule) by the gas is: (round off to nearest integer). Given: R = 8.314 J mol-1 K-1; 1 atm. = 101325 Pa; Cp = 2.5R