Elements Of Physical Chemistry
Elements Of Physical Chemistry
7th Edition
ISBN: 9780198796701
Author: ATKINS, P. W. (peter William), De Paula, Julio
Publisher: Oxford University Press
Question
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Chapter 3, Problem 3B.3ST
Interpretation Introduction

Interpretation:

The expression for the contribution to the change in molar entropy at low temperature has to be written.

Concept Information:

Change in entropy on heating at low range of temperature: When the heat capacity cannot be assumed to be constant over the low range of temperature, certain allowance has made for the variation of C with temperature.

The change in molar entropy is the area under the graph Cp,m(T)/T plotted against T,

ΔS=TiTfC(T)T

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