Author Archives: alan

New Stuff for Fall '10

Posted on August 20, 2010 by alan

Classes won't start for another 10 days and I will be making a number of changes to this web page before then. please check back from time to time to learn about the latest changes. Friday, Aug 20, 2010Pre-registration, wait… Continue reading →

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Pre-registration for Fall 2010

Posted on April 17, 2010 by alan

Students who want to earn one unit of credit for Chem 201 in Fall 2010 must sign up for four activities:lecture (MWF 9-10 AM)conference (choose from Th 9:30, 10:30, 12, 1 and always attend the same conference)lab lecture (Th 6:10-7… Continue reading →

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Chem 201-202 Transition State

Posted on January 22, 2010 by alan

Welcome back!Chem 202 pretty much picks up right where Chem 201 left off: same book, same rooms, same hours. There are some important changes, however, so please check out the following.Lecture. My role will be reduced. Pat McDougal will take… Continue reading →

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The Final Exam

Posted on January 22, 2010 by alan

The final exam was a 200 point exam. All kinds of scores were obtained, but they seemed to fall into three groups. Medium-low, medium, and high. Interesting.After grading the exam and reflecting on the degree of difficulty, I decided to… Continue reading →

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Last Semester's Paperwork

Posted on January 22, 2010 by alan

I spent a good chunk of winter break buried in paperwork. The stack of final exams, lab reports, and late homework assignments was almost 10 inches thick, but I eventually got through it.Now I want it to go away, all… Continue reading →

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Exam #4 answers

Posted on December 17, 2009 by alan

The answers to the final exam have been posted on the Exams page.I haven't finished reading the exams yet (I've read page one of about 40 exams so far), but an interesting thought occurred to me this past week that… Continue reading →

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The Paper Trail

Posted on December 11, 2009 by alan

I will try to keep you up-to-date by email, but here is where things stand:HW #1-7 – everything that I have ever received has been read and returned. If you don't have your assignment, check the box outside my door…. Continue reading →

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Q&A session for Final Exam

Posted on December 11, 2009 by alan

Where: Rm. 301, ChemistryWhen: Sunday, Dec 13, 1:45-3:00I decided to go with Rm. 301 because the number of students attending these Q&A sessions has fallen considerably. I hope there will be enough room. The Chem 101 people will want to… Continue reading →

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(Somewhat) polar C-H bonds

Posted on December 2, 2009 by alan

Today’s activity (ChemActivity 34R) used potential surfaces to assign charges to hydrogen atoms in ethylene and acetylene. The charge trend goes like this (I’ve added ethane for good measure):(least +) H in ethane < H in ethylene < H in… Continue reading →

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Move over Facebook

Posted on December 2, 2009 by alan

The web is a great place to waste, uh, invest one's spare time, assuming one has any time to spare. YouTube, Facebook, they all have their aficianados, but my cousin Arkee, a retired professor at Tel Aviv University, just alerted… Continue reading →

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