A gas mixture contains 1/5th H2 and 4/5th CH4 by volume through which O2 is allowed to diffuse. The total pressure is 105 N/m2 and the temperature is 250 C. Estimate the rate of diffusion of O2 through a film of thickness 3 mm when concentration changes across the film from 12 % to 7 % by volume. (DO2-H2 = 7.1 x 10-5 m2 /s and DO2-CH4 = 1.88 x 10-5 m2 /s)
A gas mixture contains 1/5th H2 and 4/5th CH4 by volume through which O2 is allowed to diffuse. The total pressure is 105 N/m2 and the temperature is 250 C. Estimate the rate of diffusion of O2 through a film of thickness 3 mm when concentration changes across the film from 12 % to 7 % by volume. (DO2-H2 = 7.1 x 10-5 m2 /s and DO2-CH4 = 1.88 x 10-5 m2 /s)
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
A gas mixture contains 1/5th H2 and 4/5th CH4 by volume through which O2 is allowed
to diffuse. The total pressure is 105
N/m2
and the temperature is 250 C. Estimate the
rate of diffusion of O2 through a film of thickness 3 mm when concentration changes
across the film from 12 % to 7 % by volume. (DO2-H2 = 7.1 x 10-5 m2
/s and DO2-CH4 = 1.88
x 10-5 m2
/s)
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