3.9 The accompanying graph shows the self-diffusion coefficient for Na+ in an NaCl crystal doped with CdCl₂. NaCl is believed to form Schottky defects. Using the data in the graph, calculate the following. (a) The activation energy for self-diffusion of Nat in NaCl. (b) The enthalpy of formation of Schottky defects in NaCl (in eV). Diffusion coefficient (cm²/s)→→→→→ 10-8 3 x 10-9 10-9 10-10 10-11 10-12 10-13 1.0 1.1 1.2 1.23 1.3 1.4 1/Tx 103- 1.5 3 x 10-11 5 x 10-13 1.6 1.7

3.9 The accompanying graph shows the self-diffusion coefficient for Na+ in an NaCl crystal doped with CdCl₂. NaCl is believed to form Schottky defects. Using the data in the graph, calculate the following. (a) The activation energy for self-diffusion of Nat in NaCl. (b) The enthalpy of formation of Schottky defects in NaCl (in eV). Diffusion coefficient (cm²/s)→→→→→ 10-8 3 x 10-9 10-9 10-10 10-11 10-12 10-13 1.0 1.1 1.2 1.23 1.3 1.4 1/Tx 103- 1.5 3 x 10-11 5 x 10-13 1.6 1.7

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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Question

3.9 The accompanying graph shows the self-diffusion coefficient for Na+ in an NaCl
crystal doped with CdCl₂. NaCl is believed to form Schottky defects. Using the
data in the graph, calculate the following.
(a) The activation energy for self-diffusion of Nat in NaCl.
(b) The enthalpy of formation of Schottky defects in NaCl (in eV).
Diffusion coefficient (cm²/s)→→→→→
10-8
3 x 10-9
10-9
10-10
10-11
10-12
10-13
1.0 1.1
1.2
1.23
1.3
1.4
1/Tx 103-
1.5
3 x 10-11
5 x 10-13
1.6 1.7

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