Develop a general relationship for the change in temperature with respect to pressure at constant entropy OT ар (a) Evaluate the expression for an ideal gas. (b) From the result in part (a), show that for an ideal gas with constant cp, an isentropic expansion from state 1 and state 2 yields equation Py = const. (c) Evaluate the expression for a gas that obeys the Van der Walls equation of state.

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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Develop a general relationship for the change in temperature with respect to pressure at
constant entropy
OT
OP
(a) Evaluate the expression for an ideal gas.
(b) From the result in part (a), show that for an ideal gas with constant Cp, an isentropic
expansion from state 1 and state 2 yields equation Py = const.
(c) Evaluate the expression for a gas that obeys the Van der Walls equation of state.
Transcribed Image Text:Develop a general relationship for the change in temperature with respect to pressure at constant entropy OT OP (a) Evaluate the expression for an ideal gas. (b) From the result in part (a), show that for an ideal gas with constant Cp, an isentropic expansion from state 1 and state 2 yields equation Py = const. (c) Evaluate the expression for a gas that obeys the Van der Walls equation of state.
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