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Q. Enthalpy change for the process,
$H_2O$(ice) ${\rightleftharpoons} H_2O$(water)
is $6.01\, kJ\, mol^{-1}$. The entropy change of $1$ mole of ice at its melting point will be

Thermodynamics

Solution:

$\Delta S_{fusion} = \frac{\Delta H_{fusion}}{T_{fusion}}$
$= \frac{6.01 \times 1000}{273}$
$= 22 \,J \,K^{-1}\, mol^{-1}$