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In an air-carbon dioxide mixture at 298 K and 202.6 kPa, the concentration of CO2 at two planes (3 mm) apart are 15 vol% and 25 vol%. The diffusivity of CO2 in air at 298K and 202.6 kPa is 8.2x106 m²/s. Estimate the rate of transfer of CO2 across the two planes assuming: (1) Equimolar Counter diffusion (ii) Diffusion of CO2 through a stagnant air layer (iii) Compare the results of (i) and (ii) with valid justification

In an air-carbon dioxide mixture at 298 K and 202.6 kPa, the concentration of CO2 at two planes (3 mm) apart are 15 vol% and 25 vol%. The diffusivity of CO2 in air at 298K and 202.6 kPa is 8.2x106 m²/s. Estimate the rate of transfer of CO2 across the two planes assuming: (1) Equimolar Counter diffusion (ii) Diffusion of CO2 through a stagnant air layer (iii) Compare the results of (i) and (ii) with valid justification

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 air-carbon dioxide mixture at 298 K and 202.6 kPa, the concentration of CO2 at two planes (3 mm) apart are 15 vol% and 25 vol%. The diffusivity of CO2 in air at 298K and 202.6 kPa is 8.2x106 m?/s. Estimate the rate of transfer of CO2 across the two planes assuming: (1) Equimolar Counter diffusion (ii) Diffusion of CO2 through a stagnant air layer (ii) Compare the results of (i) and (ii) with valid justification
Transcribed Image Text:In an air-carbon dioxide mixture at 298 K and 202.6 kPa, the concentration of CO2 at two planes (3 mm) apart are 15 vol% and 25 vol%. The diffusivity of CO2 in air at 298K and 202.6 kPa is 8.2x106 m?/s. Estimate the rate of transfer of CO2 across the two planes assuming: (1) Equimolar Counter diffusion (ii) Diffusion of CO2 through a stagnant air layer (ii) Compare the results of (i) and (ii) with valid justification
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