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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: McGraw-Hill Education
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
Transcribed Image Text:2.6 Calculate the work done during the isothermal reversible expansion of a
van der Waals gas. Account physically for the way in which the coefficients a
and b appear in the final expression. Plot on the same graph the indicator
diagrams for the isothermal reversible expansion of (a) a perfect gas,
(b) a van der Waals gas in which a=0 and b=5.11 × 10-² dm³ mol-1, and
(c) a=4.2 dm atm mol-2 and b=0. The values selected exaggerate the
imperfections but give rise to significant effects on the indicator diagrams.
Take V; = 1.0 dm³, n= 1.0 mol, and T=298 K.
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