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5. follows: For the same diffusion-convection system in Q4, the concentration profile is as Z-Z1 XA (Z) 1-XA1 2) = (x4) -XA2 Z2-Z1 a) Using the rate of evaporation of A described in Q4, show that the concentration profile can be rewritten as follows (HINT: Use the equation above): 1-xд(z) 1-XA1 NAZ = exp (N₁₂ (2-21)) AB b) Obtain the same concentration profile as in (a), but by directly integrating the following expression, assuming that NAz is constant. CDAB dxA NAz (2)=- 1-xA dz

5. follows: For the same diffusion-convection system in Q4, the concentration profile is as Z-Z1 XA (Z) 1-XA1 2) = (x4) -XA2 Z2-Z1 a) Using the rate of evaporation of A described in Q4, show that the concentration profile can be rewritten as follows (HINT: Use the equation above): 1-xд(z) 1-XA1 NAZ = exp (N₁₂ (2-21)) AB b) Obtain the same concentration profile as in (a), but by directly integrating the following expression, assuming that NAz is constant. CDAB dxA NAz (2)=- 1-xA dz

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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5. follows: For the same diffusion-convection system in Q4, the concentration profile is as Z-Z1 XA (Z) 1-XA1 2) = (x4) -XA2 Z2-Z1 a) Using the rate of evaporation of A described in Q4, show that the concentration profile can be rewritten as follows (HINT: Use the equation above): 1-xд(z) 1-XA1 NAZ = exp (N₁₂ (2-21)) AB b) Obtain the same concentration profile as in (a), but by directly integrating the following expression, assuming that NAz is constant. CDAB dxA NAz (2)=- 1-xA dz
Transcribed Image Text:5. follows: For the same diffusion-convection system in Q4, the concentration profile is as Z-Z1 XA (Z) 1-XA1 2) = (x4) -XA2 Z2-Z1 a) Using the rate of evaporation of A described in Q4, show that the concentration profile can be rewritten as follows (HINT: Use the equation above): 1-xд(z) 1-XA1 NAZ = exp (N₁₂ (2-21)) AB b) Obtain the same concentration profile as in (a), but by directly integrating the following expression, assuming that NAz is constant. CDAB dxA NAz (2)=- 1-xA dz
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