The Clausius-Clapyron equation relates the latent heat of vaporization to temperature and vapor pressure

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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Question
The Clausius-Clapyron equation
relates the latent heat of vaporization to
temperature and vapor pressure
according to the following equation:
AH,
In(p)=- +k
RT
Data for water are shown below (units
are K for T. mmHg for p. and J/mol. K for
R.)
a.) Use linear regression to find the
heat of vaporization of water.
The published value is 540 cal/g
b.) What will be the vapor pressure
in mmHg of water at 99°C
c.) Determine the Pearson r and
interpret the result.
1/T
In(P)
0.002755
0.002740
6.3404
0.002725
0.002710
0.002695
6.5615
0.002681
6.6333
0.002667
67043
0.002653
6.7743
0.002639
6.8436
0.002625
6.9121
0.002611
6.9797
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Transcribed Image Text:The Clausius-Clapyron equation relates the latent heat of vaporization to temperature and vapor pressure according to the following equation: AH, In(p)=- +k RT Data for water are shown below (units are K for T. mmHg for p. and J/mol. K for R.) a.) Use linear regression to find the heat of vaporization of water. The published value is 540 cal/g b.) What will be the vapor pressure in mmHg of water at 99°C c.) Determine the Pearson r and interpret the result. 1/T In(P) 0.002755 0.002740 6.3404 0.002725 0.002710 0.002695 6.5615 0.002681 6.6333 0.002667 67043 0.002653 6.7743 0.002639 6.8436 0.002625 6.9121 0.002611 6.9797 CamScanner
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