2) A particle with a size just below r* is unstable but a particle with a size a) just above r* is stable. What comments would you make on this statement? If you agree then, why are the particles just above (very little bigger than r*) a critical size r* thermodynamically stable even though the energy (Gibbs free energy) is positive. A 4G, surface energy AG

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Chapter1: Units, Trigonometry. And Vectors
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A particle with a size just below r* is unstable but a particle with a size
2)
just above r* is stable. What comments would you make on this statement? If you agree
then, why are the particles just above (very little bigger than r*) a critical size r*
thermodynamically stable even though the energy (Gibbs free energy) is positive.
a)
A 4G,
surface energy
4xr'y
AG
Volume free energy
Excess free energy
AG.
b)
Why the free energy vs particle radius curves for homogeneous and
heterogeneous nucleation differs.
CAG,
AG
AG
JAGeter
AGoma
Transcribed Image Text:A particle with a size just below r* is unstable but a particle with a size 2) just above r* is stable. What comments would you make on this statement? If you agree then, why are the particles just above (very little bigger than r*) a critical size r* thermodynamically stable even though the energy (Gibbs free energy) is positive. a) A 4G, surface energy 4xr'y AG Volume free energy Excess free energy AG. b) Why the free energy vs particle radius curves for homogeneous and heterogeneous nucleation differs. CAG, AG AG JAGeter AGoma
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