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The diffusion coefficient DAB for the interdiffusion of two gases, A and B may be estimated from the following empirical relationship: T3 1 DAB = 0.0043- Mg] P + where: cm? PAB = diffusion coefficient, %3D Ma, M3 = molecular weights of A and B,respectively total pressure, atm VA, V3 = molecular volumes of A and B,respectively %3D

The diffusion coefficient DAB for the interdiffusion of two gases, A and B may be estimated from the following empirical relationship: T3 1 DAB = 0.0043- Mg] P + where: cm? PAB = diffusion coefficient, %3D Ma, M3 = molecular weights of A and B,respectively total pressure, atm VA, V3 = molecular volumes of A and B,respectively %3D

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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The diffusion coefficient DAB for the interdiffusion of two gases, A and B may be estimated from the following empirical relationship: DAB = 0.0043 АВ MB- Pv3 where: ст? DAB = diffusion coefficient, S Ma, MB = molecular weights of A and B,respectively P = total pressure, atm VA, VB = molecular volumes of A and B,respectively T temperature,°R ft? Find the value of the constant corresponding to 0.0043, for an empirical formula which gives DAB in- -, аnd hr uses P in psi ,and T is still in °R. in?
Transcribed Image Text:The diffusion coefficient DAB for the interdiffusion of two gases, A and B may be estimated from the following empirical relationship: DAB = 0.0043 АВ MB- Pv3 where: ст? DAB = diffusion coefficient, S Ma, MB = molecular weights of A and B,respectively P = total pressure, atm VA, VB = molecular volumes of A and B,respectively T temperature,°R ft? Find the value of the constant corresponding to 0.0043, for an empirical formula which gives DAB in- -, аnd hr uses P in psi ,and T is still in °R. in?
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