Suppose you have a gas that obeys the following modified van der Waals equation: P(V-nb)=nRT a) In 1–2 sentences, provide a physical interpretation for this equation. HINT: Compare this with the actual van der Waals equation. What does the missing term represent? b) For a gas obeying this modified van der Waals equation, derive an expression for the work done by a reversible and isothermal change in volume.
Suppose you have a gas that obeys the following modified van der Waals equation: P(V-nb)=nRT a) In 1–2 sentences, provide a physical interpretation for this equation. HINT: Compare this with the actual van der Waals equation. What does the missing term represent? b) For a gas obeying this modified van der Waals equation, derive an expression for the work done by a reversible and isothermal change in volume.
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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Suppose you have a gas that obeys the following modified van der Waals equation:
P(V-nb)=nRT
a) In 1–2 sentences, provide a physical interpretation for this equation.
HINT: Compare this with the actual van der Waals equation. What does the missing term represent?
b) For a gas obeying this modified van der Waals equation, derive an expression for the work done by a reversible and isothermal change in volume.
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