Q(3): Figure below shows a plot of the logarithm (to the base 10) of the diffusion coefficient versus reciprocal of absolute temperature for the diffusion of carbon in iron (a-Fe). Determine values for the activation energy and the preexponential? 10-10 C in a-Fe 10-12 10-14 10-16 10-18 0.5 1.0 1.5 Reciprocal temperature (1000/K) Diffusion coefficient (m2/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
Chapter34: Particle Size Determination
Section: Chapter Questions
Problem 34.10QAP
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Q(3): Figure below shows a plot of the logarithm (to the base 10) of the
diffusion coefficient versus reciprocal of absolute temperature for the
diffusion of carbon in iron (a-Fe). Determine values for the activation
energy and the preexponential?
10-10
C in a-Fe
10-12
10-14
10-16
10-18
0.5
1.0
1.5
Reciprocal temperature (1000/K)
Diffusion coefficient (m2/s)
Transcribed Image Text:Q(3): Figure below shows a plot of the logarithm (to the base 10) of the diffusion coefficient versus reciprocal of absolute temperature for the diffusion of carbon in iron (a-Fe). Determine values for the activation energy and the preexponential? 10-10 C in a-Fe 10-12 10-14 10-16 10-18 0.5 1.0 1.5 Reciprocal temperature (1000/K) Diffusion coefficient (m2/s)
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