The activation energy for diffusion (Qa) is 80 kJ/mol for carbon diffusing into a-iron. If the Do value is assumed constant, what is the ratio of the diffusion coefficient (D) at 800°C to 500°C? Note: pay attention to units and recall that the ideal gas constant (R) is 8.314 J/mol-K. a. 0.03 b. 32.5 C. 1362 d. 0.0007

The activation energy for diffusion (Qa) is 80 kJ/mol for carbon diffusing into a-iron. If the Do value is assumed constant, what is the ratio of the diffusion coefficient (D) at 800°C to 500°C? Note: pay attention to units and recall that the ideal gas constant (R) is 8.314 J/mol-K. a. 0.03 b. 32.5 C. 1362 d. 0.0007

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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