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(c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer %3! the following: Determine the total number of atomic sites, N, given that the density and atomic mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's constant, NA is equal to 6.023 x 1023 atoms/mol. (i) (ii) Determine the number of vacancies at a temperature of 960°C, if Qv = 1.2 eV and k = 8.62 x 10-SeV/atom-K.

(c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer %3! the following: Determine the total number of atomic sites, N, given that the density and atomic mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's constant, NA is equal to 6.023 x 1023 atoms/mol. (i) (ii) Determine the number of vacancies at a temperature of 960°C, if Qv = 1.2 eV and k = 8.62 x 10-SeV/atom-K.

Chemistry
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 HREE (ar Usin solidification process and appropriate sketches, briefly describe how a grain stru re of mild steel is obtained from molten mild steel. (b) Dis s the three types of imperfections that are likely to be found in solid mild steel product. (c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer %3! the following: Determine the total number of atomic sites, N, given that the density and atomic mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's constant, Na is equal to 6.023 x 1023atoms/mol. (i) (ii) Determine the number of vacancies at a temperature of 960°C, if Qu 1.2 eV and k = 8.62 x 10-SeV/atom-K.
Transcribed Image Text:QUESTION HREE (ar Usin solidification process and appropriate sketches, briefly describe how a grain stru re of mild steel is obtained from molten mild steel. (b) Dis s the three types of imperfections that are likely to be found in solid mild steel product. (c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer %3! the following: Determine the total number of atomic sites, N, given that the density and atomic mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's constant, Na is equal to 6.023 x 1023atoms/mol. (i) (ii) Determine the number of vacancies at a temperature of 960°C, if Qu 1.2 eV and k = 8.62 x 10-SeV/atom-K.
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