Class Notes Mar 15

Class Notes Mar 15 - 3/15/2010 Announcements: Monday, March...

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3/15/2010 1 Announcements: Monday, March 15, 2010 Homework WebAssign #10- Due Wednesday, March 17 at 8:00 AM Recitation Week 10 – Coordination Chemistry Lab Stereoisomers of Coordination Complexes Suggested Textbook Questions Read Chapter 19, sections 3 & 4, and working problems (see syllabus). Exam 2 Review Session Wednesday, 3/17/10 CHEM 140 5:00 – 7:00 PM Exam 2 Resources Posted on CULearn! Exam 2: Thursday, March 18, 2010 at the Coors Events Center! Please arrive between 7:10 & 7:20 PM for a 7:30 PM start! NO programmable calculators! Fires of Hell Demo! 2Al(s) + 3Br 2 ( ) → 2AlBr 3 (g) K = e -(ΔGº/RT) K = e- (-1.578x10 6 J/(8.314 x 298)) K = e 637 = 4.04x10 276 !WOW! ΔGº = -nFEº = -(6)(96500)(+2.725) ΔGº = -1,578 kJ! Al(s) → Al 3+ (aq) + 3e - Eº = -1.66 V Br 2 ( ) + 2e - → 2Br - (aq)Eº = +1.065 V cell = = +1.065 – (-1.66) = +2.725 V Isomerism in Coordination Compounds ( Figure 22.8) What type(s) of isomers exist for [Co(H 2 O) 4 Cl 2 ]Cl? March 15, 2010 – CT#1 A. Optical only B. Linkage only D. Optical and linkage E. Optical and geometric C. Geometric only Optical must be non-superimposable mirror images- requires more different ligands.
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Class Notes Mar 15 - 3/15/2010 Announcements: Monday, March...

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