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2. One kg of air in a piston-cylinder apparatus can exchange heat only with a reservoir maintained at 300 K. When 10 kg of work is done on the air, its state is asserted to change from 1 bar, 300 K to 2.5 bar, 310 K. Using cp = 1.005 kJ/kg-K, cv = 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, calculate the entropy change of the air, entropy change of the reservoir and heat transfer from the air. Is the claim true or false? Why? AS air kJ/kg -K ASres kJ/kg K kJ

2. One kg of air in a piston-cylinder apparatus can exchange heat only with a reservoir maintained at 300 K. When 10 kg of work is done on the air, its state is asserted to change from 1 bar, 300 K to 2.5 bar, 310 K. Using cp = 1.005 kJ/kg-K, cv = 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, calculate the entropy change of the air, entropy change of the reservoir and heat transfer from the air. Is the claim true or false? Why? AS air kJ/kg -K ASres kJ/kg K kJ

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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2. One kg of air in a piston-cylinder apparatus can exchange heat only with a reservoir maintained at 300 K. When 10 kg of work is done on the air, its state is asserted to change from 1 bar, 300 K to 2.5 bar, 310 K. Using cp = 1.005 kJ/kg-K, cv = 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, calculate the entropy change of the air, entropy change of the reservoir and heat transfer from the air. Is the claim true or false? Why? AS air kJ/kg-K AS res kJ/kg-K kJ
Transcribed Image Text:2. One kg of air in a piston-cylinder apparatus can exchange heat only with a reservoir maintained at 300 K. When 10 kg of work is done on the air, its state is asserted to change from 1 bar, 300 K to 2.5 bar, 310 K. Using cp = 1.005 kJ/kg-K, cv = 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, calculate the entropy change of the air, entropy change of the reservoir and heat transfer from the air. Is the claim true or false? Why? AS air kJ/kg-K AS res kJ/kg-K kJ
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