Chem_208_Lecture_9_BW - 1 PS4 due Friday at 2PM By popular...

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Unformatted text preview: 1 PS4 due Friday at 2PM By popular demand NO graphing/text capable calculators on 208 exams Prelim 1: Tues Feb 26, 7:30- 9:00PM Ch 7, 14 (PS 1- 4) This week: Finish Ch. 14 Next week: Starting Ch. 15 2 Reaction Mechanism Sequence of elementary (single step) reactions. Elementary Reactions may be: Unimolecular: CH 3 Cl* CH 3 + Cl or Bimolecular: H + Cl 2 HCl + Cl * means electronically excited (usually by absorption of light ) Notes : Exponents in rate law are the stoichiometric coefficients. Elementary processes are reversible, may reach eqm with equal rates of forward and reverse reactions. Reaction intermediates may be formed and consumed in elementary steps. They cannot appear in the overall chemical equation or in the overall rate law expression. The rate determining step occurs much more slowly than the others. 3 Reaction Mechanism Notes : Exponents in rate law are the stoichiometric coefficients....
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This note was uploaded on 03/29/2009 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell University (Engineering School).

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Chem_208_Lecture_9_BW - 1 PS4 due Friday at 2PM By popular...

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