 |  |  |
| Lec 18 | Principles of Chemical Science, Fall 2005 | Lec 19 |
 |  |  |
| Principles of Chemical Science, Fall 2005 | Lec 20 | Principles of Chemical Science, Fall 2005 |
 |  |  |
| Principles of Chemical Science, Fall 2005 | Lec 22 | Principles of Chemical Science, Fall 2005 |
 |  |  |
| Lec 23 | Principles of Chemical Science, Fall 2005 | Lec 24 |
|
