Physical Chemistry
Physical Chemistry
2nd Edition
ISBN: 9781133958437
Author: Ball, David W. (david Warren), BAER, Tomas
Publisher: Wadsworth Cengage Learning,
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Chapter 18, Problem 18.29E
Interpretation Introduction

Interpretation:

The temperature at which the qrot for HCl is equal to the value of qrot for HBr at 298K is to be calculated.

Concept introduction:

The rotational partition function for the linear molecules is,

qrot=8π2IkTh2=Tθr

Where,

qrot is the rotational partition function.

I is the moment of inertia.

k is the Boltzmann constant.

T is the temperature.

h is the Planck’s constant.

θr is the rotational temperature.

The partition function is a unitless quantity.

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