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In an oxygen-nitrogen gas mixture at 1 atm., 25°C, the concentrations of oxygen at two planes 0.2 cm apart are 10% and 20% volume respectively. Calculate the rate of diffusion of oxygen expressed as g mol/em' s for the case where () the nitrogen is non-diffusing. (i) there is equimolar counter diffusion of the two gases. Diffusivity of oxygen in nitrogen at 25°C and 1 atm. is 0.206 cm³/s.

In an oxygen-nitrogen gas mixture at 1 atm., 25°C, the concentrations of oxygen at two planes 0.2 cm apart are 10% and 20% volume respectively. Calculate the rate of diffusion of oxygen expressed as g mol/em' s for the case where () the nitrogen is non-diffusing. (i) there is equimolar counter diffusion of the two gases. Diffusivity of oxygen in nitrogen at 25°C and 1 atm. is 0.206 cm³/s.

Introduction to Chemical Engineering Thermodynamics
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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Q-4 In an oxygen-nitrogen gas mixture at 1 atm., 25°C, the concentrations of oxygen at two planes 0.2 cm apart are 10% and 20% volume respectively. Calculate the rate of diffusion of oxygen expressed as g molem? s for the case where 1) the nitrogen is non-diffusing. (i) there is equimolar counter diffusion of the two gases. Diffusivity of oxygen in nitrogen at 25°C and 1 atm. is 0.206 cm'/s.
Transcribed Image Text:Q-4 In an oxygen-nitrogen gas mixture at 1 atm., 25°C, the concentrations of oxygen at two planes 0.2 cm apart are 10% and 20% volume respectively. Calculate the rate of diffusion of oxygen expressed as g molem? s for the case where 1) the nitrogen is non-diffusing. (i) there is equimolar counter diffusion of the two gases. Diffusivity of oxygen in nitrogen at 25°C and 1 atm. is 0.206 cm'/s.
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