Category Archives: Post-lecture

Dogs Teaching Chemistry

Some of you may be planning a review of Chem 201 concepts before you take up the new challenges of Chem 202. Here are two short videos that review atomic structure and chemical bonding (note: this material is being taught … finish reading Dogs Teaching Chemistry

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Some tips for Exam 3

As you prepare for Exam 3, make sure that you learn to quickly identify the roles that different molecules might play in a chemical reaction. The sooner you can decide that a molecule is probably an acid (or base, nucleophile, … finish reading Some tips for Exam 3

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Atomic Force Microscope Takes Pictures of Chemical Bonds

Atomic force microscopy (AFM) is a imaging technique that works on a completely different principle from optical microscopes. Instead of magnifying light waves, an AFM device passes a needle-like probe over a surface and constructs an image of the surface … finish reading Atomic Force Microscope Takes Pictures of Chemical Bonds

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Molecular Modeling Activity Collection

Here are links to all of the molecular modeling activities we have done in class (these links also can be found on the Classes page). Activity #1 – Build/sketch models with Spartan ’14 Activity #2 – Potential maps, intermolecular interactions, … finish reading Molecular Modeling Activity Collection

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Bring your model kit to class next week

We are going to be building 5- and 6-carbon rings in class next week. I don’t have enough atoms in my bucket for more than a couple of rings so please bring your own. The model kits that we used … finish reading Bring your model kit to class next week

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Get Ready for 202 with a Quick Review of 201

Aaron Nilsen and I have been discussing how to make the transition from Chem 201 to Chem 202 (new schedule, new format, same book) as smooth as possible. One idea: share a short list of ‘things to remember from Chem … finish reading Get Ready for 202 with a Quick Review of 201

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MO Models for SN1 & E1 Rxns

An essential aspect of SN1 and E1 reactions is the dissociation of the leaving group. These lecture slides from Day 16 (Oct 29-30) discussed the following phenomena and trends from an MO perspective: How can we describe polar dissociation… Continue reading

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Day 14 – Activating OH as a Leaving Group

I'm providing two documents for Day 14 of class: a reaction summary and my lecture slides. You can find additional summaries in Sorrell (see p.231-2 & 233-5 near end of chapter) and in my learning objectives. Summaries are highly… Continue reading

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Lysozyme mechanism & video

I showed a YouTube video in class last Wednesday, but didn't have time to show it to the Thursday class. The video presents the mechanism of the chemical reaction catalyzed by lysozyme enzyme, a chemical reaction that is also… Continue reading

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Review materials for Days 5-9

You can find a variety of things here as you prepare for next week's exam: How to construct an MO orbital mixing diagram (Day 5) Activity 6 – internal rotation – Selected answers Activity 7 – cycloalkane conformers -… Continue reading

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