14C_f10_finalA

14C_f10_finalA - Chemistry 14C Fall 2010 Final Exam Part A...

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Fall 2010 Final Exam Part A Page 1 Page 1 score = 1. (3) Match the boiling points to the appropriate compounds by writing a boiling point in the blank below each structure. Boiling point choices: 34 o C, 82 o C, 99 o C, and 117 o C. CH 3 CH 2 OCH 2 CH 3 (CH 3 ) 3 COH CH 3 CH 2 OH OH __________ __________ __________ __________ 2. (6) Fill in the blanks, using no more than three words in each case. (a) In question 1, the noncovalent molecular force that is absent for the compound with the lowest boiling point is but present in the other compounds is ____________________. (b) In question 1, the two noncovalent molecular forces that are present in all the compounds are ____________________ and ____________________. 3. (5) Draw in the box a molecule or ion that has exactly five atoms and that can be a hydrogen bond donor, but cannot be a hydrogen bond acceptor. If this is not possible write "not possible". Complete this explanation by adding no more than fifteen words : The structure that I drew in the box cannot be a hydrogen bond acceptor because. .. 4. (6) Rank the water solubility of the following amino acids by writing one amino acid name in each blank. Each name must be used exactly once. H 2 N O OH OH H 2 N O OH OH H 2 N O OH SCH 3 Serine Threonine Methionine ________________ (most soluble) > _________________ > _________________ (least soluble) Complete this explanation by adding no more than fifteen words : The amino acid selected as least soluble in water is least soluble because. .. 5. (2) Circle the form of serine that is most soluble in water. H
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This note was uploaded on 09/06/2011 for the course CHEM 140A taught by Professor Whiteshell during the Fall '04 term at UCSD.

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14C_f10_finalA - Chemistry 14C Fall 2010 Final Exam Part A...

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