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In an oxygen-nitrogen gas mixture at 101.3 kPa and 0°C, the concentration of oxygen at two planes 2 mm apart are 10% and 20% (by volume) respectively. Calculate the flux of diffusion of the oxygen for the case where: 3.1 The nitrogen is non-diffusing. 3.2 There is equimolar counter-diffusion of the two gases. 3.3 Compare the two answers. The diffusivity of oxygen in nitrogen (DAB) is 1.81x10-5 m²/s.

In an oxygen-nitrogen gas mixture at 101.3 kPa and 0°C, the concentration of oxygen at two planes 2 mm apart are 10% and 20% (by volume) respectively. Calculate the flux of diffusion of the oxygen for the case where: 3.1 The nitrogen is non-diffusing. 3.2 There is equimolar counter-diffusion of the two gases. 3.3 Compare the two answers. The diffusivity of oxygen in nitrogen (DAB) is 1.81x10-5 m²/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
Section: Chapter Questions
Problem 1.1P
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In an oxygen-nitrogen gas mixture at 101.3 kPa and 0°C, the concentration of oxygen at two planes 2 mm apart are 10% and 20% (by volume) respectively. Calculate the flux of diffusion of the oxygen for the case where: 3.1 The nitrogen is non-diffusing. 3.2 There is equimolar counter-diffusion of the two gases. 3.3 Compare the two answers. The diffusivity of oxygen in nitrogen (DAB) is 1.81x10-5 m²/s.
Transcribed Image Text:In an oxygen-nitrogen gas mixture at 101.3 kPa and 0°C, the concentration of oxygen at two planes 2 mm apart are 10% and 20% (by volume) respectively. Calculate the flux of diffusion of the oxygen for the case where: 3.1 The nitrogen is non-diffusing. 3.2 There is equimolar counter-diffusion of the two gases. 3.3 Compare the two answers. The diffusivity of oxygen in nitrogen (DAB) is 1.81x10-5 m²/s.
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