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Lec-10-Chap13-2-bare - Lec-10-Chap13-2-bare Lec-10...

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Lec-10-Chap13-2-bare 9/23/2011 Directionality of Chemical Reactions Gibbs free energy. Calculations 1 Lec-10: Thermodynamics: Directionality of Chemical Reactions. Gibbs Free Energy Chapter 13 1 Wednesday, September 28, (in the first half of the lecture) Discussion about the course with Professor Troy Wolfskill Professor Fernando Raineri For a process at constant pressure 2 1 ext constant p T T P S C dT T P This equation allows us to calculate entropy changes (at constant pressure) by making calorimetric measurements. 2 initial initia final fi l l na S S S S S S From the definition of ∆S it follows that or, more explicitly in final itial initial init final l l a fina i T T S T T T T C dT S
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