a) For a homogeneous nucleation process, sketch the dependence of the surface and bulk free energies on the radius of a spherical embryo using the equation below. kT AG, = 4r*y - In S AG

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Answer the following questions:
a) For a homogeneous nucleation process, sketch the dependence of the surface
and bulk free energies on the radius of a spherical embryo using the equation
below.
kT
AG, = 4rv*y -* inS
V,
AG
> r
b) Sketch the dependence of the free energy changes (AG,) on the radius of a
spherical embryo when the supersaturation ratio (S) is greater than 1, equal to 1
and less than 1.
AG
c) Discuss the importance of supersaturation on precipitation
Transcribed Image Text:5 Answer the following questions: a) For a homogeneous nucleation process, sketch the dependence of the surface and bulk free energies on the radius of a spherical embryo using the equation below. kT AG, = 4rv*y -* inS V, AG > r b) Sketch the dependence of the free energy changes (AG,) on the radius of a spherical embryo when the supersaturation ratio (S) is greater than 1, equal to 1 and less than 1. AG c) Discuss the importance of supersaturation on precipitation
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