Question: According to the Einstein model of a crystalline solid, the internal energy per mole is given by where TE is a characteristic temperature called the

According to the Einstein model of a crystalline solid, the internal energy per mole is given by

3N KT e -1

where TE is a characteristic temperature called the Einstein temperature, and T is the temperature of the solid in kelvins. Evaluate the molar internal energy of diamond (TE = 1060 K) at 300 K and 600 K, and thereby the increase in internal energy as diamond is heated from 300 K to 600 K.

3N KT e -1

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