The activation energy for Al in a Cu solvent is 1.6 x 108 J/kmol. What is the diffusion coefficient, D, at 575 °C if the constant of proportionality, Do, is 7 x 10-6 m2/s? a. 2.31 x 10-5 m2/s c. 2.04 x 10-20 m2/s b. 9.75 x 10-16 m2/s d. 4.04 x 10-47 m2/s
The activation energy for Al in a Cu solvent is 1.6 x 108 J/kmol. What is the diffusion coefficient, D, at 575 °C if the constant of proportionality, Do, is 7 x 10-6 m2/s? a. 2.31 x 10-5 m2/s c. 2.04 x 10-20 m2/s b. 9.75 x 10-16 m2/s d. 4.04 x 10-47 m2/s
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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Question
The activation energy for Al in a Cu solvent is 1.6 x 108 J/kmol. What is the diffusion coefficient, D, at 575 °C if the constant of proportionality, Do, is 7 x 10-6 m2/s?
|
a.
|
2.31 x 10-5 m2/s |
c.
|
2.04 x 10-20 m2/s |
|
b.
|
9.75 x 10-16 m2/s |
d.
|
4.04 x 10-47 m2/s |
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