Lecture 7 - Chemical Kinetics

Lecture 7- - Midterm Exam 1 Friday 1:10 – 2:00 pm 198 Young(last name begins with “A” “L” 176 Everson(last name begins with “M”

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Unformatted text preview: Midterm Exam 1 Friday, Jan 28, 2011 1:10 – 2:00 pm 198 Young (last name begins with “A”- “L”) 176 Everson (last name begins with “M”- “Z”) Exam covers Chapters 2.6 – 2.9, all of 9, and 10.1 – 10.3 Closed Book and Closed Notes No electronic devices except calculator Practice Midterm on course website At least one assigned homework problem will appear on the exam Review session Thur, Jan 27 th at 7pm in Rm ?. Office Hours today changed to 3:30 – 4:30 pm (126 Chem). Problem set 1 grades on website and returned during TA office hours. P I A k k ⎯→ ⎯ ⎯→ ⎯ 2 1 [ ] A k dt A d 1 ] [ − = [ ] [ ] t k e A A 1 − = [ ] [ ] I k A k dt I d 2 1 ] [ − = [ ] [ ] ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ − − = − − ) ( 2 1 1 2 1 t k t k e e k k k A I [ ] I k dt P d 2 ] [ = [ ] [ ] [ ] [ ] I A A P − − = [A] = [A]+[I]+[P] [ ] [ ] ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ − − + = − − 1 2 1 2 2 1 1 k k e k e k A P k t k Maximum concentration of I: [ ] ( ) [ ] 2 2 1 1 2 1 1 = + − + = − − A e k e k k k k dt I d t k t k t k k e k k ) 2 1 ( 2 1 − = ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎝ ⎛ − = 2 1 2 1 max ln 1 k k k k t Summary of Sequential Kinetics Steady State Approximation A I P k 1 k-1 k 2 fast slow [ ] [ ] [ ] [ ] I k I k A k dt I d 2 1 1 − − = − [ ] [ ] [ ] I k A k dt A d 1 1 − + − = [ ] [ ] [ ] I k I k A k 2 1 1 − − = − [ ] [ ] ] [ ) ( ] [ 1 2 1 1 2 2 A k k k A k k I k dt P d ≈ ⎭ ⎬ ⎫ ⎩ ⎨ ⎧ + = = −...
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This note was uploaded on 04/06/2011 for the course CHEM 107B taught by Professor Jamesames during the Winter '09 term at UC Davis.

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Lecture 7- - Midterm Exam 1 Friday 1:10 – 2:00 pm 198 Young(last name begins with “A” “L” 176 Everson(last name begins with “M”

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