Observational Chemical Kinetics 
Observational Chemical Kinetics
by UC Irvine
Video Lecture 19 of 27
Copyright Information: Penner, Reginald Thermodynamics and Chemical Dynamics 131C (UCI OpenCourseWare: University of California, Irvine), http://ocw.uci.edu/courses/chem_131c_thermodynamics_and_chem... [January 28, 2015]. License: Creative Commons Attribution-ShareAlike 3.0 United States License. (http://creativecommons.org/licenses/by-sa/3.0/us/deed.en_US).
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Date Added: January 28, 2015

Lecture Description

Recorded on May 16, 2012.

00:06 - Introduction: Observational chemical kinetics
00:17 - Henry Louis Chatelier (1850 - 1936)
00:25 - Henry Louis Le Chatelier..."I let the discovery of the ammonia sythesis slip..."
02:21 - Le Chatelier's Principle says, for example, that with an increase in the total...
02:47 - example: Can we determine the relationship between...
03:06 - answer:
06:30 - what about the influence of temperature on K?
08:12 - That's it for Thermodynamics (Topic discussed in Chapter 17)
10:11 - Diagram: where are we?
12:30 - the first chemical subjected to kinetic analysis?
13:12 - some notation & jargon...a stoichiometric reaction...
17:30 - so an elementary reaction is one in which the indicated products...
17:53 - we discussed the extent of reaction...
18:52 - this is not as confusing as it looks. Here's an example...
20:19 - in terms of the extent of reaction...
22:44 - ...for this generation reaction...
23:20 - in terms of the extent of reaction...
23:30 - A rate law relates the concentration of reactants...
28:23 - for stoichiometric reactions, the rate law can not be deduced by inspection.
30:08 - Often, reactions are significantly reversible and both the forward and backward...
32:10 - be reminded that these simple expressions apply only because...
33:35 - what are the units of the rate constant in this case?
34:46 - Method 1. Method of Initial Rates
40:05 - Method 2. Use an integrated rate law.
43:59 - Method 2. (continued) Half-life
45:17 - Graph: (length of half of line is constant.)
45:55 - How do we experimentally determine the rate of law

Course Index

Course Description

In Chemistry 131C, students will study how to calculate macroscopic chemical properties of systems. This course will build on the microscopic understanding (Chemical Physics) to reinforce and expand your understanding of the basic thermo-chemistry concepts from General Chemistry (Physical Chemistry.) We then go on to study how chemical reaction rates are measured and calculated from molecular properties. Topics covered include: Energy, entropy, and the thermodynamic potentials; Chemical equilibrium; and Chemical kinetics.

Chemistry Dept. | Physical Sciences Sch. | University of California, Irvine

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