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  4. What will be the melting point of KCl if enthalpy change for the reaction is 7.25 J mol-1 and entropy change is 0.007 J K-1 mol-1 ?

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Q. What will be the melting point of $KCl$ if enthalpy change for the reaction is $7.25\, J\, mol^{-1}$ and entropy change is $0.007\, J \,K^{-1}\, mol^{-1}$ ?

Thermodynamics

Solution:

$T = \frac{\Delta H}{\Delta S} = \frac{7.25}{0.007}$
$= 1035.7\,K$