The preexponential and activation energy for the diffusion of iron in cobalt are 1.1 x 10-5 m?/s and 253,300 J/mol, respectively. At what temperature will the diffusion coefficient have a value of 2.1 x 10-14 m/s? The activation energy for the diffusion of car- bon in chromium is 111,000 J/mol. Calculate the diffusion coefficient at 1100 K (827°C), given that D at 1400 K (1127°C) is 6.25 x 10-11 m/s.
The preexponential and activation energy for the diffusion of iron in cobalt are 1.1 x 10-5 m?/s and 253,300 J/mol, respectively. At what temperature will the diffusion coefficient have a value of 2.1 x 10-14 m/s? The activation energy for the diffusion of car- bon in chromium is 111,000 J/mol. Calculate the diffusion coefficient at 1100 K (827°C), given that D at 1400 K (1127°C) is 6.25 x 10-11 m/s.
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter15: Molecular Luminescence Spectrometry
Section: Chapter Questions
Problem 15.12QAP: Equations for the chemiluminescence determination of SO2 are given on page 383. Derive an expression...
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