V Self-diffusion A. Concentration profile v Fick's firts law B. Diffusion flux is linear function of concentration gradient v Fick's second law C. Diffusion in pure metals V Diffusion coefficient varies with D. Net accumulation or depletion of diffusing species F. Combination of both host and diffusion species F. Interstitial diffusion

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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Find the best match for the following:
v Self-diffusion
A. Concentration profile
Fick's firts law
B. Diffusion flux is linear function of concentration gradient
v Fick's second law
C. Diffusion in pure metals
v Diffusion coefficient varies with
D. Net accumulation or depletion of diffusing species
E. Combination of both host and diffusion species
F. Interstitial diffusion
Transcribed Image Text:Find the best match for the following: v Self-diffusion A. Concentration profile Fick's firts law B. Diffusion flux is linear function of concentration gradient v Fick's second law C. Diffusion in pure metals v Diffusion coefficient varies with D. Net accumulation or depletion of diffusing species E. Combination of both host and diffusion species F. Interstitial diffusion
Hydrogen gas is typically purified by diffusion through a palladium sheet. Compute the plate thickness (mm) if 8.9 grams of hydrogen
passes per hour through a sheet of palladium having an area of 0.2 m2 at 500°C. Assume a diffusion coefficient of 1.0x10-8 m2s-1 that
the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that
steady-state conditions have been attained.
A Moving to another question will save this response.
Transcribed Image Text:Hydrogen gas is typically purified by diffusion through a palladium sheet. Compute the plate thickness (mm) if 8.9 grams of hydrogen passes per hour through a sheet of palladium having an area of 0.2 m2 at 500°C. Assume a diffusion coefficient of 1.0x10-8 m2s-1 that the concentrations at the high- and low-pressure sides of the plate are 2.4 and 0.6 kg of hydrogen per cubic meter of palladium, and that steady-state conditions have been attained. A Moving to another question will save this response.
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