Example 7.7) The compressibility factor of a van der Waals gas is given by the equation, at low pressure: PV a, P Z = := 1+ (b – RT RT RT RT' RT Calculate the change in Gibbs free energy associated with the isothermal compression of nitrogen gas at 298 K from 1 bar to 24.1 bar. The van der Waals constants of nitrogen gas are a = 1.408 I²-bar-mol-² and b = 0.03913 L-mol'.

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
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Example 7.7) The compressibility factor of a van der Waals gas is given by the equation,
at low pressure:
PV
= 1+ (b
Z =
RT
a
P
RT' RT
Calculate the change in Gibbs free energy associated with the isothermal compression of
nitrogen gas at 298 K from 1 bar to 24.1 bar. The van der Waals constants of nitrogen gas
are a = 1.408 L2-bar-mol-2 and b = 0.03913 L-mol-!.
Transcribed Image Text:Example 7.7) The compressibility factor of a van der Waals gas is given by the equation, at low pressure: PV = 1+ (b Z = RT a P RT' RT Calculate the change in Gibbs free energy associated with the isothermal compression of nitrogen gas at 298 K from 1 bar to 24.1 bar. The van der Waals constants of nitrogen gas are a = 1.408 L2-bar-mol-2 and b = 0.03913 L-mol-!.
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