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(1) Based on the units of the rate constant, what is the order of the reaction? {1:MULTICHOICE:zero-order#No, that is not correct.~=first-order#Correct!~second-order#No, that is not correct.~third-order#No, that is not correct.}
(2) What is the concentration of CH3CN after 0.20 minutes of reaction if the initial concentration is 0.10 M? {1:NUMERICAL:=4e-4:1e-5#Correct!~%50%4e-4:5e-5#Close, but not quite.}(Do not include units!)
Kinetics |
Rate Law
Kinetics : RateLawChangeConc (10 Variations) The rate law for a reaction is rate=k[A][B]. If the concentration of A doubles, the rate of the reaction will do which of the following?
Data Pooling in a Chemical Kinetics Experiment: The Aquation of a Series of Cobalt(III) ComplexesRichard S. Herrick, Kenneth V. Mills, and Lisa P. Nestor Describes an experiment that introduces students to integrated rate laws, the search for a mechanism that is consistent with chemical and kinetic data, and the concept of activation barriers and their measurement in a curriculum whose pedagogical philosophy makes the laboratory the center of learning for undergraduates in their first two years of instruction. Herrick, Richard S.; Mills, Kenneth V.; Nestor, Lisa P. J. Chem. Educ.2008, 85, 1120.
Coordination Compounds |
Kinetics |
Mechanisms of Reactions |
Rate Law |
UV-Vis Spectroscopy
An Inexpensive Kinetic Study: The Reaction of FD&C Red #3 (Erythrosin B) with HypochloriteMaher M. Henary and Arlene A. Russell Students use a desktop visible spectrophotometer to quantitatively follow the rate of disappearance of FD&C Red #3 with hypochlorite. The first-order reaction in both dye and bleach yields simple data that students can easily process and graph using spreadsheet software to obtain the rate constant and the rate law. Henary, Maher M.; Russell, Arlene A. J. Chem. Educ.2007, 84, 480.
Dyes / Pigments |
Kinetics |
Rate Law |
UV-Vis Spectroscopy
Textbook Deficiencies: Ambiguities in Chemical Kinetics Rates and Rate ConstantsKeith T. Quisenberry and Joel Tellinghuisen Recommends that textbook authors make it clear that (i) the reaction rate and rate constant cannot be defined unambiguously without explicitly stating the reaction for which they apply and therefore (ii) the relation between the half-life, which is a physical property of the reaction system, and the rate constant depends upon how the reaction is written. Quisenberry, Keith T.; Tellinghuisen, Joel. J. Chem. Educ.2006, 83, 510.
ChemPaths 104 M Feb 21John W. Moore Today in Chem 104:
* Lecture: Rate Laws
* Reading:
Kotz:, Ch. 15, Sec. 3-4
Moore, Ch. 13, Sec. 3-5
* Homework #5 due by 11:55 pm F Feb 25
* Excel assignment due in first discussion section this week
* Quiz 4 in second discussoin section
Kinetics |
Rate Law
Unimolecular ProcessesEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Rate Law
Bimolecular ProcessesEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
