StudentLecture_06 - Announcements CHM 11600 1/31/2010 Exam...

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Announcements CHM 11600 1/31/2010 Exam help session this week: Friday at lecture times: 10:30, 11:30, 2:30, 3:30 Lab this week: Chemical Kinetics HW04 is due on Friday. Practice kinetics problems are also on OWL. These will not be graded but are available for your exam preparation. Exam 1, 8:00 PM, Monday, Feb. 7. Hall of Music. Covers Lectures 1 – 7, HW 1- 4, Labs from weeks 2 and 3. Old exams are on Blackboard.
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Exam 1, Mon. Feb 7, 8:00-9:00, Hall of Music Be there at 7:35 PM Bring your PUID, seat assignment, pencils, approved calculator Calculator: Non-programmable!!!!! o Not solar, they do not work well in the second balcony. In your seat by 7:55 PM Cannot leave during first 15 minutes of exam. Take your exam paper with you upon leaving.
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Lab: Chemical Kinetics What is the rate law for the reaction of crystal violet and sodium hydroxide? Use Spectronic 20 to measure absorbance and determine [CV + ] as a function of time. Use experimental data to determine: 1. order w/respect to CV + in excess OH - ( a ). 2. order w/respect to OH - by changing OH - concentration ( b ). 3. the rate constant ( k ). CV + + OH - CVOH violet colorless
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Preparing for Lab Read lab manual Chapter 5. Complete the prelab exercises . Bring an electronic storage device to lab.
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Elementary Reactions, Microscopic behavior We can use a rate law and reaction orders to work out a ___________________________. A mechanism is a model that describes the ___________________ between molecules that lead to products. Reaction mechanisms usually consist of a number of equations that describe which molecules actually ________________________ during the reaction
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Reaction Mechanisms ________________ : The stepwise changes that ________ _____________ actually undergo during a reaction. _________________ : Individual __________________ steps. Show which molecule collides with what. ________________ : Do not appear in overall reaction but are ______________ in one step and _________ in a subsequent step O 3 + 2 NO 2 O 2 + N 2 O 5 (Overall reaction) O 3 + NO 2 NO 3 + O 2 (Elementary reaction 1) NO 3 + NO 2 N 2 O 5 ( _____________________ 2) O 3 + 2 NO 2 O 2 + N 2 O 5 (Net reaction) ___________
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elementary steps. 2 H
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This note was uploaded on 02/27/2012 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue University-West Lafayette.

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StudentLecture_06 - Announcements CHM 11600 1/31/2010 Exam...

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