11-30-11 - Chemistry 1A F11 11.30.11 Dr. Shaka...

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327 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Intermolecular Forces Hydrogen bonding is a very strong interaction when it can occur. Hydrogens bonded to N, O, or F can hydrogen bond, usually to another N, O, or F. Hydrogens on carbon are not going to hydrogen bond to anything. Sometimes hydrogen bonds are intramolecular as well, allowing proteins to fold, and DNA base pairs to stabilize, for example.
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328 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Intermolecular Forces Practice Problem 21. The melting points of the two structural isomers shown below are very disparate. Why? mp = 126°C mp = 8°C
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329 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Ans. Practice Problem 21
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330 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Ans (cont). Practice Problem 21
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331 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Ans (cont). Practice Problem 21
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332 Chemistry 1A F11 11.30.11 Dr. Shaka Course Code 40000 Intermolecular Forces We can order the forces (energy of
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11-30-11 - Chemistry 1A F11 11.30.11 Dr. Shaka...

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