Answered: The heat capacity of a solid at… | bartleby

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The heat capacity of a solid at constant volume is given, according to the Debye model, as
3 rep/T
(1) foot dx + = 1².
(ex - 1)²¹
where D is the Debye temperature, N the number of atoms, and kB the Boltzmann constant.
Show that this tends to a constant at high temperatures.
Cv = 9kBN

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