310NHWSet6ans - Homework Problem Set 6 Iverson CH310N NAME...

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Homework Problem Set 6 Iverson CH310N Due Wednesday, March 10 1 Chemistry 310N Dr. Brent Iverson 6th Homework March 3, 2010 NAME (Print): _____________________________ SIGNATURE: _____________________________ Please print the first three letters of your last name in the three boxes
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Homework Problem Set 6 Iverson CH310N Due Wednesday, March 10 2 Score: _________
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Homework Problem Set 6 Iverson CH310N Due Wednesday, March 10 3 1. (10 pts) On the left is drawn the Lewis structure of a simple amide. Draw the two next most important contributing structures in the spaces provided. Be sure to show all lone pairs and formal charges. H C H H C O N H H H C H H C O N H H H C H H C O N H H 2. (6 pts) Because of the resonance you described with the above structures, several atoms of an amide bond are in the same plane. On the amide below, circle all the atoms that are in the same plane. Think carefully about this one!! C C N O H C H H H H H H 3. (4 pts) In the boxes provided, write the hybridization state of the given atoms. C C N O H C H H H H H H sp 3 sp 3 sp 2 sp 2 C C N O H C H H H H H H 4. (6 pts) In the spaces given, answer the question as "yes" or "no". Does this bond rotate freely? Does this bond rotate freely? Does this bond rotate freely? Yes Yes No! Note that one of the H atoms on the methyl groups will also be in the same plane at times, depending on the exact conformation. The atoms circled are ones that are always in the same plane.
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Homework Problem Set 6 Iverson CH310N Due Wednesday, March 10 4 5. (8 pts) Carboxylic acids exist in solution as characteristic "dimers". Draw the structure of the dimer
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This note was uploaded on 08/27/2011 for the course CHEMISTRY 493 taught by Professor Chem during the Fall '10 term at The University of Texas at San Antonio- San Antonio.

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310NHWSet6ans - Homework Problem Set 6 Iverson CH310N NAME...

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