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Thermodynamics and Chemical Dynamics 131C. Lecture 15. Getting to Know The Gibbs Energy.

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Thermodynamics and Chemical Dynamics (Chem 131C) is part of OpenChem: video is part of a 27-lecture undergraduate-level course titled "Thermodynamics and Chemical Dynamics" taught at UC Irvine by Professor Reginald M. Penner.Recorded on May 7, 2012.Slide Information00:06 - Introduction: Getting to know the Gibbs Energy00:51 - Announcements:01:54 - UC Irvine wins NCAA men's volleyball title...02:19 - Today's tasks02:42 - Diagram: The system and the surroundings: Three flavors...04:22 - Formula (spontaneous process: nonisolated system)04:43 - q is a conserved quantity...06:09 - Chart: in Friday's lecture...07:20 - in chemistry, T is frequently constant...07:55 - let's consider...09:57 - to achieve the const. volume condition...11:16 - for any process occurring at const. volume and temperature...11:50 - In chemistry, it is even more useful to be able to make predictions...14:17 - for any process occurring at const. pressure...14:37 - today (and, ahem, last Friday)14:54 - Chart15:56 - Graph ("reaction coordinate...")19:10 - Among these four thermodynamic "potentials"...20:37 - How does G depend on temperature?21:00 - conclusions:21:20 - plot (Gibbs energy and temperature)22:04 - now, if we substitute from this equation for S...22:31 - substitute and solve for the derivative23:30 - now, to go further, note the chain rule that tells us that:24:40 - (cont) this bad boy is called the Gibbs-Helmholtz Eq.25:56 - Ok, now how does G depend on pressure...27:35 - conclusion: Gibbs energies of solids and liquids...28:18 - Gibbs energies of gases depend strongly on P.29:20 - Diagram, Formula30:19 - We define a standard molar Gibbs...31:08 - Graph, Formula32:54 - exercise 15, 29b: The change in the Gibbs energy of 25 g...39:20 - exercise 15.24b: Calculate the standard Gibbs free energy change...For more information and access to courses, lectures, and teaching material, please visit the official UC Irvine OpenCourseWare website at:

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