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

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

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 19P

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Question

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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