Fugacity coefficient is a correction for non-ideal gas behavior. We know that as T increases, ideal gas behavic is more valid. Explain why in Fig.3-3, the fugacity coefficients are close to 1 (almost ideal gas) at low temperature but deviates from 1.0 at high temperature.

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
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4. Fugacity coefficient is a correction for non-ideal gas
behavior. We know that as T increases, ideal gas behavior
is more valid. Explain why in Fig.3-3, the fugacity
coefficients are close to 1 (almost ideal gas) at low
temperature but deviates from 1.0 at high temperature.
Transcribed Image Text:4. Fugacity coefficient is a correction for non-ideal gas behavior. We know that as T increases, ideal gas behavior is more valid. Explain why in Fig.3-3, the fugacity coefficients are close to 1 (almost ideal gas) at low temperature but deviates from 1.0 at high temperature.
1.0
1.0
0.9-
10.9
ΜΕTHANΕ
0.8
0.8
0.7
1.아
40.6
0.9-
NITROGEN
0.8
0.8
0.7
1.아-
0.6
0.9-
PROPANE
0.8.
0.8
0.7
1.0
H0.6
0.9-
WATER
0.8-
0.8
0.7
0.7
0.6
0.5
0.6
1.0
0.6
0.7
0.8
0.9
REDUCED TEMPERATURE
Figure 3-3 Fugacity coefficients from vapor-phase volumetric data for four.
saturated liquids.
FUGACITY
COEFFICIENT
Transcribed Image Text:1.0 1.0 0.9- 10.9 ΜΕTHANΕ 0.8 0.8 0.7 1.아 40.6 0.9- NITROGEN 0.8 0.8 0.7 1.아- 0.6 0.9- PROPANE 0.8. 0.8 0.7 1.0 H0.6 0.9- WATER 0.8- 0.8 0.7 0.7 0.6 0.5 0.6 1.0 0.6 0.7 0.8 0.9 REDUCED TEMPERATURE Figure 3-3 Fugacity coefficients from vapor-phase volumetric data for four. saturated liquids. FUGACITY COEFFICIENT
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