Chap_10_HW_solutions

Chap_10_HW_solutions - CHAPTER 10 WORKED SOLUTIONS 30....

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CHAPTER 10 WORKED SOLUTIONS 30. Identify the most important types of interparticle forces present in the solids of each of the following substances. a. NH 4 Cl b. Teflon, CF 3 (CF 2 CF 2 ) n CF 3 c. Polyethylene, CH 3 (CH 2 CH 2 ) n CH 3 d. CHCl 3 e. NH 3 f. NO g. BF 3 32. Consider the compounds Cl 2 , HCl, F 2 , NaF, and HF. Which compound has a boiling point closest to that of argon? Explain.
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34. Consider the following compounds and formluas. (Note: the formulas are written in such a way as to give you an idea of the structure.) ethanol: CH 3 CH 2 OH dimethyl ether: CH 3 OCH 3 propane: CH 3 CH 2 CH 3 The boiling points of these compounds are (in no particular order) -42.1 o C, -23 o C, and 78.5 o C. Match the boiling points to the compounds 36. In each of the following groups of substances, pick the one that has the given property. Justify each answer. a. highest boiling point: CCl 4 CF 4 CBr 4 b. lowest freezing point: LiF F 2 HCl c. smallest vapor pressure at 25 o C: CH 3 OCH 3 CH 3
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This note was uploaded on 10/23/2010 for the course CHEM 105A taught by Professor Bau during the Fall '04 term at USC.

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Chap_10_HW_solutions - CHAPTER 10 WORKED SOLUTIONS 30....

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