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The number of vacancies N, in a crystal can be calculated using the Arrhenius equation: N₁ = Ne Ev / KT where N is total number of atoms, Ev is the activation energy for vacancy formation, and k is the Boltzmann's constant and Tis the temperature. Boltzmann constant k = 8.62 x 10-5 ev/K a) What are the units of 7? b) What are the units for Ev? c) Under what conditions can a crystal have no vacancies?

The number of vacancies N, in a crystal can be calculated using the Arrhenius equation: N₁ = Ne Ev / KT where N is total number of atoms, Ev is the activation energy for vacancy formation, and k is the Boltzmann's constant and Tis the temperature. Boltzmann constant k = 8.62 x 10-5 ev/K a) What are the units of 7? b) What are the units for Ev? c) Under what conditions can a crystal have no vacancies?

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter16: Thermodynamics
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Problem 31E: A reaction has H298=100 kj/mol and S298=250 J/mol K. Is the reaction spontaneous at room...
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The number of vacancies N, in a crystal can be calculated using the Arrhenius equation: N₁ = Ne Ev / KT where N is total number of atoms, Ev is the activation energy for vacancy formation, and k is the Boltzmann's constant and Tis the temperature. Boltzmann constant k = 8.62 x 10¹5 ev/K a) What are the units of 7? b) What are the units for Ev? c) Under what conditions can a crystal have no vacancies?
Transcribed Image Text:The number of vacancies N, in a crystal can be calculated using the Arrhenius equation: N₁ = Ne Ev / KT where N is total number of atoms, Ev is the activation energy for vacancy formation, and k is the Boltzmann's constant and Tis the temperature. Boltzmann constant k = 8.62 x 10¹5 ev/K a) What are the units of 7? b) What are the units for Ev? c) Under what conditions can a crystal have no vacancies?
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