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4.9. A piece of porous glass tubing is used as a diffusion cell to measure the diffusion coefficient of an air-gas mixture. The inside diameter and outside diameter of the cell are I mm and 4mm respectively. It was found that with a difference in mole fraction of 10 percent at 25°C and 1 atm pressure, the molar flow rate was 4.0 x 10 mol s per centimeter of length. Find the diffusion coefficient in m's.

4.9. A piece of porous glass tubing is used as a diffusion cell to measure the diffusion coefficient of an air-gas mixture. The inside diameter and outside diameter of the cell are I mm and 4mm respectively. It was found that with a difference in mole fraction of 10 percent at 25°C and 1 atm pressure, the molar flow rate was 4.0 x 10 mol s per centimeter of length. Find the diffusion coefficient in m'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
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4.9. A piece of porous glass tubing is used as a diffusion cell to measure the diffusion coefficient of an air-gas mixture. The inside diameter and outside diameter of the cell are I mm and 4mm respectively. It was found that with a difference in mole fraction of 10 percent at 25°C and 1 atm pressure, the molar flow rate was 4.0 x 10 mol s m's. per centimeter of length. Find the diffusion coefficient in
Transcribed Image Text:4.9. A piece of porous glass tubing is used as a diffusion cell to measure the diffusion coefficient of an air-gas mixture. The inside diameter and outside diameter of the cell are I mm and 4mm respectively. It was found that with a difference in mole fraction of 10 percent at 25°C and 1 atm pressure, the molar flow rate was 4.0 x 10 mol s m's. per centimeter of length. Find the diffusion coefficient in
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