Homework_MSE2001H_ch8 - MSE 2001 H Homework Chapter 8 April...

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1 MSE 2001 H Homework Chapter 8 April 2, 2008 Seung Soon Jang 1. (Thermodynamics, Kinetics) deals with the state of the system while (thermodynamics, kinetics) deals with the rate at which a process occurs. 2. What is the driving force causing the transformation? 3. From the following plot, (1) the name of Δ T. (2) please explain the relationship between Δ G (the driving force) and Δ T? Gibbs Free Energy, Δ G V Temperature, ° C G V S G V L Δ T Δ G V L Æ S T m 4. At T=T m , S L V G Δ can be expressed as a function of S L V H Δ , T Δ , and T m . Derive this equation.
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2 5. Please explain two different mechanisms for nucleation. 6. In homogeneous nucleation, we have two competitive contributions to the free energy change ( S L V G Δ ). Please put down the mathematical expression and explain how they compete. 7. Please derive the critical radius (r*) for homogeneous nucleation and explain its meaning,
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3 8. As T Δ increases, r* (increases, decreases) and * G Δ (increases, decreases). 9. For homogeneous nucleation, Gibbs free energy is the driving force. However,
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This note was uploaded on 06/29/2009 for the course MSE 2001 taught by Professor Tannebaum during the Spring '08 term at Georgia Institute of Technology.

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Homework_MSE2001H_ch8 - MSE 2001 H Homework Chapter 8 April...

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