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For an ideal gas with constant heat capacities, show that: (a) For a temperature change from T¡ to T2, AS of the gas is greater when the change occurs at constant pressure than when it occurs at constant volume. (b) For a pressure change from Pı to P2, the sign of AS for an isothermal change is opposite that for a constant-volume change.

For an ideal gas with constant heat capacities, show that: (a) For a temperature change from T¡ to T2, AS of the gas is greater when the change occurs at constant pressure than when it occurs at constant volume. (b) For a pressure change from Pı to P2, the sign of AS for an isothermal change is opposite that for a constant-volume change.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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5. Answer completely with a diagram.

Problem 5 For an ideal gas with constant heat capacities, show that: (a) For a temperature change from T, to T,, AS of the gas is greater when the change occurs at constant pressure than when it occurs at constant volume. (b) For a pressure change from P1 to P2, the sign of AS for an isothermal change is opposite that for a constant-volume change.
Transcribed Image Text:Problem 5 For an ideal gas with constant heat capacities, show that: (a) For a temperature change from T, to T,, AS of the gas is greater when the change occurs at constant pressure than when it occurs at constant volume. (b) For a pressure change from P1 to P2, the sign of AS for an isothermal change is opposite that for a constant-volume change.
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