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?
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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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F44f7125f-da98-45bb-9efd-74cbbf291a29%2F2ef22aab-fcb5-4c91-8b3d-bba7db18d29e%2Fswbr07h_processed.png&w=3840&q=75)
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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