A gas mixture containing nitrogen is refractory with an inner radius (R1) of 4 cm and an outer radius (R2) of 6 cm. diffuses through a spherical tube contained in a glass tube. radial between R1 and R2 At steady state, where nitrogen diffuses through the spherical shell of thickness Δr at position Its concentration on the inner surface is 12 mol/L, and its concentration on the outer surface is 16 mol/L. The diffusion coefficient is 2x10-4 m2/s. Derive the concentration profile by establishing a shell equilibrium and find the concentration and flux of nitrogen at r=5 cm.
A gas mixture containing nitrogen is refractory with an inner radius (R1) of 4 cm and an outer radius (R2) of 6 cm. diffuses through a spherical tube contained in a glass tube. radial between R1 and R2 At steady state, where nitrogen diffuses through the spherical shell of thickness Δr at position Its concentration on the inner surface is 12 mol/L, and its concentration on the outer surface is 16 mol/L. The diffusion coefficient is 2x10-4 m2/s. Derive the concentration profile by establishing a shell equilibrium and find the concentration and flux of nitrogen at r=5 cm.
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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A gas mixture containing nitrogen is refractory with an inner radius (R1) of 4 cm and an outer radius (R2) of 6 cm. diffuses through a spherical tube contained in a glass tube. radial between R1 and R2 At steady state, where nitrogen diffuses through the spherical shell of thickness Δr at position Its concentration on the inner surface is 12 mol/L, and its concentration on the outer surface is 16 mol/L. The diffusion coefficient is 2x10-4 m2/s. Derive the concentration profile by establishing a shell equilibrium and find the concentration and flux of nitrogen at r=5 cm.
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