1. Show that the partition function for a harmonic oscillator in the x direction only is given by: exp(-ẞhv) qx 1-exp(-ẞhv)

Physical Chemistry
2nd Edition
ISBN:9781133958437
Author:Ball, David W. (david Warren), BAER, Tomas
Publisher:Ball, David W. (david Warren), BAER, Tomas
Chapter17: Statistical Thermodynamics: Introduction
Section: Chapter Questions
Problem 17.13E
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Chemical Thermodynamics and Physical Transformations : please show step by step how each section is derived. 

1. Show that the partition function for a harmonic oscillator in the x direction only is given by:
9x
exp(-ẞhy)
1-exp(-ẞhv)
2. Using your answer to part (1), derive the partition function for a single harmonic oscillator in three different
directions. Briefly note any assumptions made.
3. Using your answer to part (2), show that the partition function for a crystal of n atoms (i.e., a collection of
harmonic oscillators in three different directions) is given by:
3N
exp(-ẞhv)
Qays
1-exp(-ẞhv)
Transcribed Image Text:1. Show that the partition function for a harmonic oscillator in the x direction only is given by: 9x exp(-ẞhy) 1-exp(-ẞhv) 2. Using your answer to part (1), derive the partition function for a single harmonic oscillator in three different directions. Briefly note any assumptions made. 3. Using your answer to part (2), show that the partition function for a crystal of n atoms (i.e., a collection of harmonic oscillators in three different directions) is given by: 3N exp(-ẞhv) Qays 1-exp(-ẞhv)
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ISBN:
9781133958437
Author:
Ball, David W. (david Warren), BAER, Tomas
Publisher:
Wadsworth Cengage Learning,