First slide
Enthalpy of Phase transition

A) Enthalpy of atomization

B) Enthalpy of fusion

C) Enthalpy of solution

D) Enthalpy of condensation

E) Enthalpy of formation

From the above list identify how many always have the Enthalpy change to be positive 


ΔHa tomiza tion&ΔHfusion....always  +ve 

ΔHSolution, ΔHforma tion....can be +ve orve

ΔHcondensa tion....always ve


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