Q1: An open tank is filled with 2ft of the top with pure methanol. The tank is tapered, as shown below. The air within the tank is stationary but circulation of air immediately above the tank is adequate to assure a negligible concentration of methanol at this point. The tank and air space are at 77°F and 1 atm and the diffusivity of methanol in air in such conditions is 0.62 ft²/hr.Calculate the rate of loss of methanol from the tank at steady – state. Given that the partial pressure of methanol at 77°F is 135 mm Hg. d2 L-z 0 = 26.56° d1 = 4 ft Note: 1 atm= 760 mm Hg atm ft Ibmol*R Use R = 0.7302;
Q1: An open tank is filled with 2ft of the top with pure methanol. The tank is tapered, as shown below. The air within the tank is stationary but circulation of air immediately above the tank is adequate to assure a negligible concentration of methanol at this point. The tank and air space are at 77°F and 1 atm and the diffusivity of methanol in air in such conditions is 0.62 ft²/hr.Calculate the rate of loss of methanol from the tank at steady – state. Given that the partial pressure of methanol at 77°F is 135 mm Hg. d2 L-z 0 = 26.56° d1 = 4 ft Note: 1 atm= 760 mm Hg atm ft Ibmol*R Use R = 0.7302;
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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Transcribed Image Text:Q1:
An open tank is filled with 2ft of the top with pure methanol. The tank is tapered, as
shown below. The air within the tank is stationary but cireulation of air immediately
above the tank is adequate to assure a negligible concentration of methanol at this
point. The tank and air space are at 77°F and 1 atm and the diffusivity of methanol in
air in such conditions is 0.62 ft²/hr.Calculate the rate of loss of methanol from the tank
at steady – state. Given that the partial pressure of methanol at 77°F is 135 mm Hg.
d2
L-z
0 = 26.56°
d1 = 4 ft
Note: 1 atm = 760 mm Hg
atm ft
Use R = 0.7302-
lbmol* R
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