Recorded on April 16, 2013.

Slide Information
00:05 - Introduction: Vibrational Partition Functions
00:17 - Quiz 2 Histogram
00:41 - The Symmetry Number
04:14 - We also get this answer using my approach.
07:09 - Aluminum Chloride Atoms Example
09:45 - We also get this answer using my approach (Diagram example)
13:03 - What is the symmetry number of: benzene?
15:43 - Estimate the rotational partition function for HCl...
16:09 - Linear molecules lacking a center of symmetry:
16:41 - Estimate the rotational...(formula)
19:12 - Calculate the rotational partition function for methane.
22:02 - Vibrational States
23:23 - ...including the zero point energy, we have...
24:52 - this geometric series has the form:
25:40 - how big is...
28:04 - Example: The triatomic molecule, chlorine dioxide (OCIO) has three vibrational modes...
31:42 - Graph: What Does the T-dependence...look like?
32:45 - Of course, molecular dissociation would occur before...
32:58 - thinking about the partition functions at room temperature, we conclude...
33:24 - What about vibrational energy?
35:13 - E=RT, Equipartition Theorum
36:13 - Here's a midterm exam question from a couple of years ago:
37:55 - Midterm exam solution
39:10 - Equations Page of Exam
41:03 - Calculations and Solution
41:40 - If you are asked: calculate the fractions of molecules for which...
42:25 - Calculations: ("now one mole of...)
44:47 - Example
45:07 - B. Now one mole of...
45:18 - Example (as in 44:47)

1. Syllabus, Homework, & Lectures
2. The Boltzmann Distribution Law
3. Energy and q (The Partition Function).
4. Entropy
5. The Equipartition Theorem
6. The Rotational Partition Function
7. Vibrational Partition Functions
8. The First Law
9. Law (review) & Adiabatic Processes Part II
10. Jim Joule
11. Midterm I Review
12. Entropy and The Second Law
13. The Carnot Cycle
14. The Gibbs Energy
15. Getting to Know The Gibbs Energy
16. The Chemical Potential
17. Finding Equilibrium
18. Equilibrium In Action
19. Observational Chemical Kinetics
20. The Integrated Rate Law
21. The Steady State Approximation
22. Midterm Exam Review
23. Lindemann-Hinshelwood Part I
24. Lindemann-Hinshelwood Part II
25. Enzymes Pt. II
26. Transition State Theory
27. The Final Exam

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