Answered: Show that the internal energy, U, of an… | bartleby

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4. Show that the internal energy, U, of an Einstein crystal is given by:
3Nhv 3Nhvexp(-ßhv)
2 1-exp(-Bhv)
+
U =
Hint: The following identity will avoid you having to use the chain rule:
d
In(1− ef(x)) = −(ƒ'(x)) e²“
dx
1-e

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