The preexponential and activation energy forthe diffusion of iron in cobalt are 1.1 × 10-5m/s and 253,300 J/mol, respectively. At whattemperature will the diffusion coefficienthave a value of 2.1 × 10-14 m²/s?The activation energy for the diffusion of car-bon in chromium is 111,000 J/mol. Calculatethe diffusion coefficient at 1100 K (827°C),given that D at 1400 K (1127°C) is 6.25 x10-11 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.

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.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.73PAE

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