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Assume that P-V-T relationship for nitrogen gas can be approximated by the ideal gas equation PV = nRT, where R = 8.314 kJ/kmol k. The heat capacities are Cv = 20.786 kJ/kmol K and Cp = 29.1 kJ/kmol K. Nitrogen which was initially at 1 bar and 280 K, is compressed to 5 bar and 280 K by two different reversible processes: (a) Cooling at constant pressure followed by heating at constant volume (b) Heating at constant volume followed by cooling at constant pressure. For each of above paths, determine the conditions at the intermediate state and ΔU, ΔH, Q and W

Assume that P-V-T relationship for nitrogen gas can be approximated by the ideal gas equation PV = nRT, where R = 8.314 kJ/kmol k. The heat capacities are Cv = 20.786 kJ/kmol K and Cp = 29.1 kJ/kmol K. Nitrogen which was initially at 1 bar and 280 K, is compressed to 5 bar and 280 K by two different reversible processes: (a) Cooling at constant pressure followed by heating at constant volume (b) Heating at constant volume followed by cooling at constant pressure. For each of above paths, determine the conditions at the intermediate state and ΔU, ΔH, Q and W

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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Assume that P-V-T relationship for nitrogen gas can be approximated by the ideal gas equation PV =
nRT, where R = 8.314 kJ/kmol k. The heat capacities are Cv = 20.786 kJ/kmol K and Cp = 29.1 kJ/kmol
K. Nitrogen which was initially at 1 bar and 280 K, is compressed to 5 bar and 280 K by two different
reversible processes:
(a) Cooling at constant pressure followed by heating at constant volume
(b) Heating at constant volume followed by cooling at constant pressure.
For each of above paths, determine the conditions at the intermediate state and ΔU, ΔH, Q and W

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