Midterm I Review 
Midterm I Review
by UC Irvine
Video Lecture 11 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 April 25, 2012.

00:05 - Announcements
00:28 - Midterm Exam
00:52 - Partition Functions: Enjoy in any of Four Flavors...
01:51 - Example: The NO molecule has a doubly degenerate...
03:24 - Plot It:
05:01 - ...(b) the electronic contribution to the molar internal energy...
05:08 - Equations
05:22 - More Equations
05:38 - (Diagram) The electronic contribution to the molar internal energy...
06:32 - Here's a midterm exam question from a couple of years ago.
08:42 - Which equation(s) do I need?
10:31 - If you are asked: calculate the fraction of molecules...
10:48 - so what were we asked again? B. Now one mole of...
12:06 - The equipartition theorem:
13:33 - now you'll recall that the heat capacity...
14:15 - Formula: the equipartition theorem tells us...
14:17 - the equipartition theorem tells us that translation contributes...
14:41 - Graph: the contribution of molecular translation...
14:55 - Formula: ...this is also the heat capacity for all monoatomic gases
16:01 - For a linear molecule:
16:44 - Graph: translation + rotation
16:53 - For nonlinear molecule:
17:45 - ...well, let's go back to the classical Hamiltonian again.
18:12 - so following through with the predictions of the equipartition...
18:58 - Formula: in the specific case of a diatomic, we get:
19:02 - Formula Graph:
19:10 - Example: Use the equipartition theorem to estimate...
20:05 - Too subjective, let's use this rule of thumb:

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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