CaIculate the maximum work when 24 g of `O_2` are expanded isothermally and reversibly from the pressure of 1.6 bar to1bar at 298 K.

22 g of CO_2 are compressed isothermally and reversibly at 298 K frominitial pressure of 100 Kpa when the work obtained is 1.2 KJ. Find the final pressure.

4.4 xx10^(-2) kg of CO_2 are compressed isothennally and reversibly at 293K from the initial pressure of 150 kPa when the work obtained is 1.245kJ. Find the final pressure. (R = 8.314JK^(-1) mol^(-1)) .

2 moles of H_2 at 5 atm. Expanded isothermally and reversibly at 57^@ C to 1 atm. Work done is ___________ .

At 300 K, one mole of an ideal gas is compressed isothermally and reversibly from a pressure of 2 atm to 10 atm. The values of Delta U and q respectively will be _______ .