1) 1.75 moles of an ideal gas with Cy,m = 3/2 R undergoes the transformations described in the following list from an initial state described by T = 325.K. and P = 1.30 bar. Calculate q, w, AU, AH, and AS for each process. (a) The gas is heated to 575 K at a constant external pressure of 1.30 bar. (b) The gas is heated to 575 K at a constant volume corresponding to the initial volume. (c) The gas undergoes a reversible isothermal expansion at 325K until the pressure is one fourfth of its initial value.
1) 1.75 moles of an ideal gas with Cy,m = 3/2 R undergoes the transformations described in the following list from an initial state described by T = 325.K. and P = 1.30 bar. Calculate q, w, AU, AH, and AS for each process. (a) The gas is heated to 575 K at a constant external pressure of 1.30 bar. (b) The gas is heated to 575 K at a constant volume corresponding to the initial volume. (c) The gas undergoes a reversible isothermal expansion at 325K until the pressure is one fourfth of its initial value.
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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Transcribed Image Text:1) 1.75 moles of an ideal gas with Cy,m = 3/2 R undergoes the transformations described in
the following list from an initial state described by T = 325.K. and P = 1.30 bar. Calculate q,
w, AU, AH, and AS for each process.
(a) The gas is heated to 575 K at a constant external pressure of 1.30 bar.
(b) The gas is heated to 575 K at a constant volume corresponding to the initial volume.
(c) The gas undergoes a reversible isothermal expansion at 325K until the pressure is one
fourfth of its initial value.
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