Chem208_Lecture_23_BW

Chem208_Lecture_23_BW - G sys = ∆ H sys T ∆ S sys< 0...

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1 Today: Thermodynamics (Chapter 19) - Free Energy - Equilibrium - T dependence of K (19-7) PS9 is due Friday, 4/18, at 2:00 Exams will be handed back in the lobby after lecture today; key is posted Mean: 53.9 Median: 53 Standard Deviation: 19.3 High: 100
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2 Review For a spontaneous reaction at constant T and P:
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Unformatted text preview: G sys = ∆ H sys- T ∆ S sys < 0 3 Consider the reaction: 2 N 2 ( g ) + O 2 ( g ) ⇔ 2 N 2 O ( g ) ∆ G° = +208.4 kJ What is the tendency for this reaction to occur spontaneously under non-standard conditions? 4 ∆ G = ∆ G° + RT ln Q 0 = ∆ G ° + RT ln K ∆ G ° = –RT ln K 5...
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