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Process 2- Process 3- Neglect th (a) Sketch (b) Calcul (c) Use th

Process 2- Process 3- Neglect th (a) Sketch (b) Calcul (c) Use th

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. A gas undergoes a cycle in a piston-cylinder assembly consisting of the following three processes: -6 Process 1-2: Constant-pressure expansion, P=1.4×105 Pa, V₁ = 0.028 m³, W₁₂ = -1.05×10¹ J; Process 2-3: Compression with PV = Constant, U₂ = U₂, V3 = V₁; 12 Process 3-1: Constant volume, U₁ -U₂ = -2.64×104 J; Neglect the changes in kinetic and potential energy in all three processes. (a) Sketch the cycle on P-V diagram. (...) ) (b) Calculate the net work (i.e., W12 + W23+ W31) for the cycle, in J. ( (c) Use the energy balance to calculate the heat transfer for process 1-2, in J. 5.) Hint: The system's internal energy remains unchanged after a cycle.
Transcribed Image Text:5. A gas undergoes a cycle in a piston-cylinder assembly consisting of the following three processes: -6 Process 1-2: Constant-pressure expansion, P=1.4×105 Pa, V₁ = 0.028 m³, W₁₂ = -1.05×10¹ J; Process 2-3: Compression with PV = Constant, U₂ = U₂, V3 = V₁; 12 Process 3-1: Constant volume, U₁ -U₂ = -2.64×104 J; Neglect the changes in kinetic and potential energy in all three processes. (a) Sketch the cycle on P-V diagram. (...) ) (b) Calculate the net work (i.e., W12 + W23+ W31) for the cycle, in J. ( (c) Use the energy balance to calculate the heat transfer for process 1-2, in J. 5.) Hint: The system's internal energy remains unchanged after a cycle.
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