S20 2011 week 2 day 1-post

S20 2011 week 2 day 1-post - Chemistry S-20ab Week 2...

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Symmetry, Chirality, and Enantiomers N.B. Many of these slides have been borrowed from Prof. Garry Procter. Reading : Section 6.1 Chemistry S-20ab Week 2 81
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Some Important Vocabulary Words Any molecule that has a plane of symmetry will be achiral : Any molecule that lacks a plane of symmetrty will be chiral : Enantiomers are molecules that are nonsuperimposable mirror images . For each of the following molecules, determine whether it is chiral or achiral. If it is chiral, draw its enantiomer. H F Cl Br Reading : Section 6.1 Chemistry S-20ab Week 2 82
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Naming Enantiomers: The R , S System Here are the rules for naming enantiomers: Assign R or S configurations to each of the following: H F Cl Br H Cl Reading : Section 6.2 Chemistry S-20ab Week 2 83
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Are Enantiomers Different? Roald Hoffmann (who shared the Nobel Prize for frontier molecular orbitals) wrote a wonderful book about chemistry titled The Same and Not The Same . His point was that much of chemistry involves substances that are the same in some respects, and not the
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S20 2011 week 2 day 1-post - Chemistry S-20ab Week 2...

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