Category Archives: Labs

Office hour canceled for doctor’s appointment

The office hour scheduled for Monday, Sept 23, is canceled. I have a doctor’s appointment in NE Portland at that time. I will be on campus for lab on Monday and will answer questions that you bring there. Normal office … finish reading Office hour canceled for doctor’s appointment

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Sample Lab Notebook

The attached file comes from last night’s lab lecture. Page 1 displays a typical RIGHT-hand page. Blue describes things that need to appear. Red & black show what these things actually look like, i.e., your notebook will look like the … finish reading Sample Lab Notebook

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Lab schedule for Week #1

Not everyone has found a place in lab yet (see previous post), but that’s OK because we aren’t going to do any ‘wet’ experiments during the first week of classes. Here’s the plan for week #1 broken down by day … finish reading Lab schedule for Week #1

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Not in the lab (you want)? Patience…

61 students had signed up for lab lecture as of last Wednesday. As of today (Saturday), there are 68 lab students: 24 students in the M lab, 24 students in the Tu lab, and 14 students in the W lab … finish reading Not in the lab (you want)? Patience…

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Challenge Problems + Molecular Modeling Questions = Answers

I promised that I would post answers to the challenge problems in the learning activities and I have also received requests for 'answers' to the molecular modeling activity (#2). Here are some answers and comments. Keep in mind: many… Continue reading

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Beyond Oil and Water

Organic chemistry is filled with mysteries. The measurements involved in this week's experiment (solubility of alcohols in water) are straightforward, but scientific understanding has not really kept pace. Why do some liquids mix and others separate into distinct phases… Continue reading

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MUST READ: O-Chem Week #1

Hi, This is Alan Shusterman, your Chem 201 instructor. Classes get underway tomorrow and the first o-chem lecture will be in Eliot 314, but o-chem will actually start earlier in the day for some of you. Confusing? Let me… Continue reading

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How to finish the acetylferrocene lab

We do not have any lab work scheduled for this week or beyond. The only thing that needs to be accomplished by most students is printing the NMR spectrum of acetylferrocene. This can be done during the lab periods this… Continue reading

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Watch the TLC video

Last Thursday night I started showing a video demonstrating the technique of thin-layer chromatography. I also pointed out where to find this link. Let me point you at it again:Lab techniques (MIT videos): TLC (thin-layer chromatography) (16 min)(located in Off… Continue reading

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Lab lecture for pKa measurement

I received a request for copies of last night's lab lecture. There are two files you can download:slides describing the experiment and light absorption by BCGpages describing what happens when you add N moles of HA to 1 liter of… Continue reading

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