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
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Chapter 3, Problem 3B.6E

(a)

Interpretation Introduction

Interpretation:

The change in entropy of given sample has to be calculated.

Concept Information:

Enthalpy of fusion: The heat is transferred from high to low temperature; at constant pressure, the heat is transferred to per mole of substance at melting temperature, Tf is known as enthalpy of fusion.

Entropy of fusion (at melting point): The change in entropy of per mole of substance at melting temperature is known as entropy of fusion.

ΔfusionS=ΔfusH(Tf)Tf

Where,

ΔfusionS is change in entropy of fusion,

ΔfusH is change in enthalpy of fusion,

Tf is the melting temperature.

(b)

Interpretation Introduction

Interpretation:

The change in entropy of surrounding has to be calculated.

Concept Information:

Enthalpy of fusion: The heat is transferred from high to low temperature; at constant pressure, the heat is transferred to per mole of substance at melting temperature, Tf is known as enthalpy of fusion.

Entropy of fusion (at melting point): The change in entropy of per mole of substance at melting temperature is known as entropy of fusion.

ΔfusionS=ΔfusH(Tf)Tf

Where,

ΔfusionS is change in entropy of fusion,

ΔfusH is change in enthalpy of fusion,

Tf is the melting temperature.

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