The temperature dependence of the surface tension of a liquid is given by the Sugden equation γ = γo (1- T/Tc)n where γo is a constant for a given liquid T/Tc is the reduced temperature expressed in Kelvin, and n is a constant. Use the following data for benzene to determine n and γo. The critical temperature for C6H6 is 288.9oC T/oC 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 γ(10 -3N/m 31.58 30.22 28.88 27.56 26.26 24.98 23.72 2248 21.26
The temperature dependence of the surface tension of a liquid is given by the Sugden equation γ = γo (1- T/Tc)n where γo is a constant for a given liquid T/Tc is the reduced temperature expressed in Kelvin, and n is a constant. Use the following data for benzene to determine n and γo. The critical temperature for C6H6 is 288.9oC T/oC 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 γ(10 -3N/m 31.58 30.22 28.88 27.56 26.26 24.98 23.72 2248 21.26
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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The temperature dependence of the surface tension of a liquid is given by the Sugden equation
γ = γo (1- T/Tc)n
where γo is a constant for a given liquid T/Tc is the reduced temperature expressed in Kelvin, and n is a constant. Use the following data for benzene to determine n and γo. The critical temperature for C6H6 is 288.9oC
|
T/oC |
0.0 |
10.0 |
20.0 |
30.0 |
40.0 |
50.0 |
60.0 |
70.0 |
80.0 |
|
γ(10 -3N/m |
31.58 |
30.22 |
28.88 |
27.56 |
26.26 |
24.98 |
23.72 |
2248 |
21.26 |
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