7. (a) Determine the free energy, AG re, associated with a critical nucleus at 1256K, where 1256K corresponds to 100 degrees of supercooling. (b) Now compute AG if the supercooling is increased to 264 degrees, which corresponds to the maximum amount of supercooling that has been observed in Cu. Hint: for the above questions you may use AGre =A/AT² where A-5.28x10-14 (c) Now discuss the results obtained in parts (a) and (b) with respect to the probability of observing homogeneous nucleation. i.e. in this part compare the AGre /KT values from (a) and (b).
7. (a) Determine the free energy, AG re, associated with a critical nucleus at 1256K, where 1256K corresponds to 100 degrees of supercooling. (b) Now compute AG if the supercooling is increased to 264 degrees, which corresponds to the maximum amount of supercooling that has been observed in Cu. Hint: for the above questions you may use AGre =A/AT² where A-5.28x10-14 (c) Now discuss the results obtained in parts (a) and (b) with respect to the probability of observing homogeneous nucleation. i.e. in this part compare the AGre /KT values from (a) and (b).
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:7. (a) Determine the free energy, AG re, associated with a critical nucleus at 1256K, where 1256K
corresponds to 100 degrees of supercooling. (b) Now compute AG if the supercooling is increased
to 264 degrees, which corresponds to the maximum amount of supercooling that has been observed in
Cu. Hint: for the above questions you may use AGre =A/AT² where A-5.28x10-14 (c) Now discuss
the results obtained in parts (a) and (b) with respect to the probability of observing homogeneous
nucleation. i.e. in this part compare the AGre /KT values from (a) and (b).
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