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
Related questions
Question
The saturation pressure for vapor–liquid equilibria for a given species is fitted to
the Antoine equation, ln (Pvap/Pref) = c1 - c2/(T + c3), where c1, c2, and c3 are
material-specific constants. Assume the vapor obeys the equation of state P+
NkBT/(V - Nb), where b is another constant that modifies the ideal gas expression
to account for molecular volume.
(a) Write an expression for the enthalpy of vaporization as a function of
temperature.
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