Problem 5:The diffusion coefficients for iron in nickel are given at two temperatures:T (K)D (m²ls)12739.4 x 10-1614732.4 x 10-14(a) Determine the values of Do and the activation energy Qd-(b) What is the magnitude of D at 1100°C (1373 K)?

The diffusion coefficients for iron in nickel are given at two temperatures: T (K) D (m'ls) 1273 9.4 x 10-16 1473 2.4 x 10-14 (a) Determine the values of Do and the activation energy Qd (b) What is the magnitude of D at 1100°C (1373 K)?

The diffusion coefficients for iron in nickel are given at two temperatures: T (K) D (m'ls) 1273 9.4 x 10-16 1473 2.4 x 10-14 (a) Determine the values of Do and the activation energy Qd (b) What is the magnitude of D at 1100°C (1373 K)?

Chemistry for Engineering Students

3rd Edition

ISBN:9781285199023

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter1: Introduction To Chemistry

Section: Chapter Questions

Problem 1.77PAE

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Question

Problem 5:
The diffusion coefficients for iron in nickel are given at two temperatures:
T (K)
D (m²ls)
1273
9.4 x 10-16
1473
2.4 x 10-14
(a) Determine the values of Do and the activation energy Qd-
(b) What is the magnitude of D at 1100°C (1373 K)?

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