Sample problem like PS4.1 and 4.2 from lecture on Wednesday, September 13, 2000.
Sample problem like PS4.5 from Help Session on Wednesday, September 20, 2000.
Sample problem PS4.6d from Help Session on Wednesday, September 20, 2000.
Sample problem like PS4.10 from Help Session on Wednesday, September 20, 2000.
Here are the two limiting reagent problems I did in class on Wednesday, September 20th. The first is the combustion of ethane problem and the second is the reaction between calcium and nitrogen problem. If you are having trouble with PS4.7 - PS4.10 these sample problems may help.
(Note: Section 3, 3:30 - 4:20 pm will do a PS5 sometime later.)
Here is some help on combustion reactions for PS6.1 from lecture on Friday, September 15, 2000.
Here is some help on formation reactions for PS6.1 from lecture on Friday, September 15, 2000.
Here is some help for PS6.4a from lecture on Friday, September 22, 2000.
Here is some help for PS6.4b from lecture on Friday, September 22, 2000.
Sample problem like PS6.5 - PS6.8 from the 1:30 pm lecture on Friday, September 22, 2000.
Sample problem like PS6.5 - PS6.8 from 3:30 pm lecture on Friday, September 22, 2000.
Sample problem like PS6.9 from lecture on Friday, September 22, 2000.
Here is discussion on using PS7.2 from the Help Session on Wednesday, October 4, 2000.
Here is discussion and examples on using the Solubility Table like PS7.3 from the Help Session on Wednesday, October 4, 2000.
Here is a sample double replacement reaction problem with some discussion like PS7.4 from the Help Session on Wednesday, October 4, 2000.
Here is a sample double replacement reaction problem like PS7.4 from lecture on Wednesday, September 27, 2000.
Here is a sample ionic and net ionic equation for the above problem like PS7.5 from lecture on Wednesday, September 27, 2000.
Here is general comments about double replacement reactions for PS7.4 from lecture on Wednesday, September 27, 2000.
Here is some help and a sample neutralization reaction problem like for PS7.6 and PS7.7 from lecture on Wednesday, September 27, 2000.
Here is a second sample neutralization reaction problem like for PS7.6 and PS7.7 from lecture on Wednesday, September 27, 2000.
Here is some help and a sample single replacement reaction problem like for PS7.8 and PS7.9 from the Help Session on Wednesday, October 4, 2000.
Here is a sample change of condition problem like PS8.2, PS8.3 and PS8.4 from lecture on Monday, October 9, 2000.
Here is an example of a problem like PS8.3 from the Help Session on Wednesday, October 11, 2000.
Here is a sample single value problem like PS8.5 from lecture on Monday, October 9, 2000.
Here is a second sample of single value problem from lecture on Monday, October 9, 2000.
Here is a third sample of single value problem like PS8.6 from lecture on Monday, October 9, 2000.
Here is an example of a problem like PS8.6 from the Help Session on Wednesday, October 11, 2000.
Here is an example of a problem like PS8.7 from the Help Session on Wednesday, October 11, 2000.
Here is some discussion on PS8.8 from the Help Session on Wednesday, October 11, 2000.
Here is an example of a problem like PS8.9 from the Help Session on Wednesday, October 11, 2000.
Here is some discussion on PS8.10 from the Help Session on Wednesday, October 11, 2000.
Here is an example of a problem like PS9.1 and PS9.2 from the Lecture on Wednesday, October 11, 2000.
Here is an example of a problem like PS9.3 from the Help Session on Wednesday, October 11, 2000.
Here is some discussion and an example of a problem like PS9.3 from the Help Session on Wednesday, October 11, 2000.
Here is some discussion and an example of a problem like PS9.3 from the Help Session on Sunday, October 15, 2000.
Here is some discussion and a 'simple' problem related to PS9.4 from the Lecture on Wednesday, October 11, 2000.
Here is an example of a problem like PS9.4 from the Help Session on Wednesday, October 11, 2000.
Here is an example of a problem like PS9.4 from the Help Session on Sunday, October 15, 2000.
Here is some discussion/explanation for PS9.5 from the Help Session on Sunday, October 15, 2000.Here is an example of a problem like PS9.6 from Lecture on Friday, October 13, 2000.
Here is an example of a problem like PS9.6 from Help Session on Sunday, October 15, 2000.
Here is the explanation to PS9.7 from Help Session on Sunday, October 15, 2000.
Here is an explanation in terms of the Kinetic Molecular theory of how the pressure of a gas changes with a change in mol of gas. PS9.8 asks a similar question only in terms of pressure and volume (from Lecture on Friday, October 13, 2000).
Here is the explanation to PS9.8 from Lecture on Friday, October 13, 2000.
Here is the explanation to PS9.8 from Help Session on Sunday, October 15, 2000.
Here is an explanation in terms of the Kinetic Molecular theory of how the pressure of a gas changes with a change in temperature of the gas. PS9.8 asks a similar question only in terms of pressure and volume (from Lecture on Friday, October 13, 2000).
Here is the explanation to PS9.9 from the Help Session on Sunday, October 15, 2000.
Here is discussion which should help in PS10.2 from the Help Session on Monday, October 23, 2000.
Here is an example of a problem like PS10.4 from the Lecture on Wednesday, October 18, 2000.
Here is discussion which should help in PS10.5 and PS10.6 from lecture on Friday, October 20, 2000.
Here is an example of a problem like PS10.5 and 10.6 from the Help Session on Monday, October 23, 2000. (Note: Since we were not in PS141 the audio is a little low, so listen carefully.)
Here is an example of a problem like PS10.7 and 10.8 from the Help Session on Monday, October 23, 2000. (Note: Since we were not in PS141 the audio is a little low, so listen carefully.)
Here is an example of a problem like PS10.9 from the Lecture on Friday, October 20, 2000.
Here is an example of a problem like PS10.9 from the Help Session on Monday, October 23, 2000.
Here is an second example of a problem like PS10.9 from the Lecture on Friday, October 20, 2000. (I did not do this example in the 1:30 pm lecture section.)
Here is an example of a problem like PS10.10 from the Lecture on Friday, October 20, 2000. (I did not do this example in the 3:30 pm lecture section.)
Here is a sample problem similar to PS11.2 that we did in lecture on Friday, October 27, 2000.
Here is a sample problem similar to PS11.3 that we did in the Help Session on Monday, October 30, 2000.
Here are some comments about PS11.4 and 11.5 from lecture on Wednesday, October 25, 2000.
Here is the first sample problem using Hess' Law (PS11.4 and PS11.5) that we did on Wednesday, October 25, 2000.
Here is the second sample problem using Hess' Law that we did on Wednesday, October 25, 2000.
Here is the third sample problem using Hess' Law (PS11.4 and PS11.5) that we did on Wednesday, October 25, 2000.
Here is the fourth sample problem using Hess' Law (PS11.4 and PS11.5) that we did in the Help Session on Monday, October 30, 2000. This one is a little more challenging.
Here is a sample problem using the approach recommended for PS11.6 we discussed on Wednesday, October 25, 2000.
Here is a second sample problem using the approach recommended for PS11.6 we discussed on Friday, October 27, 2000.
Here is a third sample problem using the approach recommended for PS11.6 we discussed on Friday, October 27, 2000.
Here is a sample problem like PS11.7 we discussed on Friday, October 27, 2000.
Here is a second sample problem like PS11.7 from the Help Session on Monday, October 30, 2000.
Here are some comments about PS11.8 from the Help Session on Monday, October 30, 2000.
Here is a sample problem like PS11.9 we discussed the in the Help Session on Monday, October 30, 2000.
Here is a sample problem similar to PS12.2 that we did in the Help Session on Monday, November 6, 2000.
Here is some discussion on PS12.4 from the Help Session on Monday, November 6, 2000.
Here is some discussion on PS12.5 from the Help Session on Monday, November 6, 2000.
Here is some discussion on PS12.6 from the Help Session on Monday, November 6, 2000.
Here is a sample problem similar to PS12.6 that we did in the Help Session on Monday, November 6, 2000.
Here is some discussion on PS12.7 from the Help Session on Monday, November 6, 2000.
Here is some discussion on PS12.8 from the Help Session on Monday, November 6, 2000.
Here is a sample problem similar to PS12.8 that we did in the Help Session on Monday, November 6, 2000.
Here is a sample problem similar to PS12.9 that we did in the Help Session on Monday, November 6, 2000.
Here is a comment about reporting the answer to PS12.9.
Here is a comment about doing the math in PS12.9.
Here is a very important comment about the ideas covered in PS12.9.
Here is some discussion on PS12.10 from the Help Session on Monday, November 6, 2000.
Here is a comment about the electromagnetic spectrum and future exams.
Here is the discussion that should help doing PS13.3 from Help Session on Sunday, November 13, 2000.
Here is the discussion that should help doing PS13.4 from Help Session on Sunday, November 13, 2000.
Here is the discussion that should help doing PS13.5 from lecture on Friday, November 11, 2000.
Here is some discussion that should help PS13.5 from the Help Session on Sunday, November 12, 2000.
Here is a problem similar PS13.6 from the Help Session on Sunday, November 12, 2000.
Here is some discussion and a problem similar PS13.8 from the Help Session on Sunday, November 12, 2000.
Here is some discussion on PS13.9 from the Help Session on Sunday, November 12, 2000. Check out the lecture notes for Monday, they may be useful also for PS13.9 and PS13.10.
Here is the discussion introducing the three quantum numbers; n, l and m_{l} from lecture on Monday, November 6, 2000. This discussion is important for PS13.2 and PS13.3.
Here is the discussion showing the three quantum numbers (n, l and m_{l}) for an electron in the first level from lecture on Monday, November 6, 2000.
Here is the discussion showing the three quantum numbers (n, l and m_{l}) for an electron in the second level from lecture on Monday, November 6, 2000.
Here is the discussion showing the three quantum numbers (n, l and m_{l}) for an electron in the third level from lecture on Monday, November 6, 2000.
Here is the discussion showing the boundary surface for the 1s and 2s-orbital from lecture on Monday, November 6, 2000.
Here is the discussion showing the boundary surface for the three 2p-orbitals from lecture on Monday, November 6, 2000.
Here is the discussion showing the boundary surface for the five 3d-orbitals from lecture on Monday, November 6, 2000.
Here is the discussion on writing the set of four quantum numbers, writing the electron configuration and writing the orbital diagram for hydrogen from lecture on Friday, November 11, 2000.
Here is the discussion on where the second electron in helium is located and writing the electron configuration and orbital diagram for helium from lecture on Friday, November 11, 2000.
Here is the discussion on where the third electron in lithium is located and writing the electron configuration and orbital diagram for litium from lecture on Friday, November 11, 2000.
Here is the discussion on where the fourth electron in beryllium is located and writing the electron configuration and orbital diagram for beryllium from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration and orbital diagram for boron from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration and orbital diagram for carbon from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration and orbital diagram for nitrogen, oxygen, fluorine and neon from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration and orbital diagram for sodium and magnesium from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration for an element using the periodic table from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration for aluminum to calcium from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration for the elements scandium through zinc (the first transition metal series) from lecture on Friday, November 11, 2000.
Here is the discussion on writing the electron configuration for ions from lecture on Friday, November 11, 2000.
Here is some discussion and help on PS14.1 from the Help Session on Monday, November 27, 2000
Here is some discussion and help on PS14.3a and PS14.3b from the Help Session on Monday, November 27, 2000. (Note: Check lecture notes on Monday, November 13, 2000 for an explanation for PS14.3c.)
Here is some discussion and help on PS14.6 (lattice energy) from the Help Session on Monday, November 27, 2000. (Note: The tape ran out as I was completing this problem, so check the lecture notes from Monday, November 13, 2000. There is a discussion of lattice energy and there is a MacroMedia Director animation that shows the trend for the compounds listed in this problem. You'll need the Shockwave Plug-in to view the animation.)
Here is some discussion and help on PS14.7b from the Help Session on Monday, November 27, 2000
Here is some discussion and help on PS14.9 from the Help Session on Monday, November 27, 2000
Here is some discussion and help on PS14.10 from the Help Session on Monday, November 27, 2000
Here is some discussion and help on PS15.1 from the Help Session on Monday, November 27, 2000. (Note it may also be useful to look at the clip for PS14.9 and look at the lecture notes on the Born Haber cycle that I have put up.)
Here is some discussion and help on PS15.3 from the Help Session on Monday, November 27, 2000. (Note: Here is a clip from lecture on Wednesday, November 22, 2000 where I introduce the concept of polar covalent bonds and nonpolar covalent bonds.)
Here is some discussion and help on PS15.4 from the Help Session on Monday, November 27, 2000.
Here is some discussion and help on PS15.5 from the Help Session on Monday, November 27, 2000. (Note: This problem is similar to a problem we did in PS12.)
Here is an introduction to Lewis structures from class on Monday, November 27, 2000.
Here is an introduction to figuring out a skeletal structure from class on Monday, November 27, 2000.
Here is the Lewis structrue for CCl_{4} from class on Monday, November 27, 2000.
Here is the Lewis structrue for ClO_{2}^{-} from class on Monday, November 27, 2000.
Here is the Lewis structrue for H_{2}SO_{4} from class on Monday, November 27, 2000.
Here is the Lewis structrue for C_{2}H_{6} from class on Monday, November 27, 2000.
Here is the Lewis structrue for CO_{2} and an introduction to formal charge from class on Wednesday, November 29, 2000.
Here is how use formal charge to arrive at a better Lewis structure for H_{2}SO_{4} from class on Wednesday, November 29, 2000.
Here is Lewis structure for C_{2}H_{4 }and C_{2}H_{2} from class on Wednesday, November 29, 2000.
Here is Lewis structure for NO_{3}^{-} and an introduction to resonance structures_{} from class on Wednesday, November 29, 2000.
Here is some discussion and help on PS15.6 from the Help Session on Monday, November 27, 2000. (Note: In this discussion I cover part i and j and discuss multiple bonds in Lewis structures.)
Here is some discussion on lone pairs of electrons and bond angles which will help on PS16.3a from the Lecture on Friday, December 8, 2000.
Here is some discussion and help on PS16.7 covering the notation in the problem and how to determine bond angles and the number of sigma and pi-bonds in a sample compound from the Lecture on Friday, December 8, 2000.