Question: 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

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 10-16 0.55 0.60 0.65 0.70 Reciprocal temperature (1000/K) Diffusion coefficient (m²/s)

10-15 10-16 0.55 0.60 0.65 0.70 Reciprocal temperature (1000/K) Diffusion coefficient (m/s)

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