4389. One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is September 7, 2025 by Admin A. 30554 B. 10373 C. 4988.4 D. 4364.9 ✅ The correct answer is option B.