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(b) 5.00 mol of an ideal gas expands adiabatically against a constant external pressure of 1.00 bar. The initial pressure and temperature of the gas are pi= 5.00 bar and T = 298 K, respectively. The final pressure of the gas is 2.50 bar. Assume a constant heat capacity, Cv.m, of 12.47 J mol-1 K-1. Calculate (i) the final temperature, Tr, (ii) the heat exchanged, q, (iii) the internal energy change, AU, (iv) the enthalpy change, AH.

(b) 5.00 mol of an ideal gas expands adiabatically against a constant external pressure of 1.00 bar. The initial pressure and temperature of the gas are pi= 5.00 bar and T = 298 K, respectively. The final pressure of the gas is 2.50 bar. Assume a constant heat capacity, Cv.m, of 12.47 J mol-1 K-1. Calculate (i) the final temperature, Tr, (ii) the heat exchanged, q, (iii) the internal energy change, AU, (iv) the enthalpy change, AH.

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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(b) 5.00 mol of an ideal gas expands adiabatically against a constant external pressure of 1.00 bar. The initial pressure and temperature of the gas are pi= 5.00 bar and T = 298 K, respectively. The final pressure of the gas is 2.50 bar. Assume a constant heat capacity, Cv.m, of 12.47 J mol-¹ K-1. Calculate (i) the final temperature, T₁, (ii) the heat exchanged, q, the internal energy change, AU, the enthalpy change, AH. (iv)
Transcribed Image Text:(b) 5.00 mol of an ideal gas expands adiabatically against a constant external pressure of 1.00 bar. The initial pressure and temperature of the gas are pi= 5.00 bar and T = 298 K, respectively. The final pressure of the gas is 2.50 bar. Assume a constant heat capacity, Cv.m, of 12.47 J mol-¹ K-1. Calculate (i) the final temperature, T₁, (ii) the heat exchanged, q, the internal energy change, AU, the enthalpy change, AH. (iv)
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