4. A 1 mol sample of an ideal gas is expanded sothermally at 27 C from an initial pressure of 3 atm to a final pressure of 1 atm in 2 ways 1) reversibly and 2) against a constant external pressure of 1 atm. Calculate q, w, AU, AH, ASsys, ASsur and AStot in each case

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4. A 1 mol sample of an ideal gas is expanded
isothermally at 27 C from an initial pressure of 3 atm
to a final pressure of 1 atm in 2 ways 1) reversibly
and 2) against a constant external pressure of 1 atm.
Calculate q, w, AU, AH, ASsys, ASsur and AStot in
each case
Transcribed Image Text:4. A 1 mol sample of an ideal gas is expanded isothermally at 27 C from an initial pressure of 3 atm to a final pressure of 1 atm in 2 ways 1) reversibly and 2) against a constant external pressure of 1 atm. Calculate q, w, AU, AH, ASsys, ASsur and AStot in each case
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