Below is shown a plot of the logarithm (to the base 10) of the diffusion coefficient versus reciprocal of the absolute temperature, for the diffusion of iron in chromium. Determine values for the activation energy and preexponential. 10-15 IN 0.60 x 10-3 Reciprocal temperature (1/K) Diffusion coefficient (m²/s) 10-16 0.55 x 10-3 0.65 x 10-3 0.70 x 10-3

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Below is shown a plot of the logarithm (to the base 10) of the diffusion coefficient versus reciprocal of the absolute temperature, for
the diffusion of iron in chromium. Determine values for the activation energy and preexponential.
Diffusion coefficient (m²/s)
10-15
10-16
0.55
x 10-3
Activation energy
Preexponential
0.60
x 10-3
Reciprocal temperature (1/K)
i
i
0.65
x 10-3
0.70
x 10-3
J/mol
m²/s
Transcribed Image Text:Below is shown a plot of the logarithm (to the base 10) of the diffusion coefficient versus reciprocal of the absolute temperature, for the diffusion of iron in chromium. Determine values for the activation energy and preexponential. Diffusion coefficient (m²/s) 10-15 10-16 0.55 x 10-3 Activation energy Preexponential 0.60 x 10-3 Reciprocal temperature (1/K) i i 0.65 x 10-3 0.70 x 10-3 J/mol m²/s
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