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A quantity of air at 375 K and 160 kPa occupies 25 litres. It is heated at constant volume until the pressure is 500 kPa, and then cooled at constant pressure back to original temperature. Calculate the net change in entropy in J/K for this process. [Assume that air behaves as ideal gas for which c =7R/2,c =5R/2, R= 8.314 J/(mol. K).] P V

A quantity of air at 375 K and 160 kPa occupies 25 litres. It is heated at constant volume until the pressure is 500 kPa, and then cooled at constant pressure back to original temperature. Calculate the net change in entropy in J/K for this process. [Assume that air behaves as ideal gas for which c =7R/2,c =5R/2, R= 8.314 J/(mol. K).] P V

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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A quantity of air at 375 K and 160 kPa occupies 25 litres. It is heated at constant volume until the pressure is 500 kPa, and then cooled at constant pressure back to original temperature. Calculate the net change in entropy in J/K for this process. [Assume that air behaves as ideal gas for which c =7R/2,c =5R/2, R= 8.314 J/(mol. K).] P V
Transcribed Image Text:A quantity of air at 375 K and 160 kPa occupies 25 litres. It is heated at constant volume until the pressure is 500 kPa, and then cooled at constant pressure back to original temperature. Calculate the net change in entropy in J/K for this process. [Assume that air behaves as ideal gas for which c =7R/2,c =5R/2, R= 8.314 J/(mol. K).] P V
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