The validation of the fact that both Einstein’s and Debye’s expressions for the heat capacity of crystals agree with the fact that C V of materials approaches 3 N k (which equals 3 R ) at high temperatures is to be stated. Concept introduction: Statistical thermodynamics is used to describe all possible configurations in a system at given physical quantities such as pressure, temperature and number of particles in the system. An important quantity in thermodynamics is the partition function that is represented as, q ≡ ∑ i g i e − β ∈ i It is also called as canonical ensemble partition function.

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Chapter 18, Problem 18.56E

Interpretation Introduction

Interpretation:

The validation of the fact that both Einstein’s and Debye’s expressions for the heat capacity of crystals agree with the fact that CV of materials approaches 3Nk (which equals 3R) at high temperatures is to be stated.

Concept introduction:

Statistical thermodynamics is used to describe all possible configurations in a system at given physical quantities such as pressure, temperature and number of particles in the system. An important quantity in thermodynamics is the partition function that is represented as,

q≡∑igie−β∈i

It is also called as canonical ensemble partition function.

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