Fl03Exam1ques - NAME (Print): _ SIGNATURE: _ Chemistry...

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Chemistry 610A/618A Dr. Brent Iverson 1st Exam Oct. 1, 2003 NAME (Print): _____________________________ SIGNATURE: _____________________________ Please Note: This test may be a bit long, but there is a reason. I would like to give you a lot of little questions, so you can find ones you can answer and show me what you know, rather than just a few questions that may be testing the one thing you forgot. I recommend you look the exam over and answer the questions you are sure of first , then go back and try to figure out the rest. Also make sure to look at the point totals on the questions as a guide to help budget your time. I recommend saving questions marked "challenge" until you are finished with all of the other questions. RELAX, TAKE A DEEP BREATH, THINK ABOUT SOMETHING PEACEFUL AND BEGIN. NERVES AND PANIC ONLY HURT YOU, JUST ASK A SCUBA DIVER, FIGHTER PILOT OR SWORD SWALLOWER !
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9 8 7 6 5 4 3 2 1 (18) (14) (18) (20) (34) (32) (26) (24) (32) (22) (34) (24) (298) Page Points 10 11 12 Total T Score
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Signature_________________________ Pg 1 _____________(18) 1. (6 pts) In the space provided, state the most important question in chemistry. 2. (3 pts each) Draw an acceptable line Lewis structure for the following molecular formulas. Write a l l atoms, use lines for a l l bonds and show a l l lone pairs of electrons as dots. Show a l l formal charges. Note we require complete Lewis structures here, we will not accept line angle drawings for this problem. A. NH 3 B. CH 4 C. NH 4 D. CH 3 CH 2 COOH
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2 (continued). (3 pts each) Draw an acceptable line Lewis structure for the following molecular formulas. Write a l l atoms, use lines for a l l bonds and show a l l lone pairs of electrons as dots. Show a l l formal charges. Note we require complete Lewis structures here, we will not accept line angle drawings for this problem. E. CH 3 CH 2 OCH 3 3. (2 pts each) Add all the formal charges next to the appropriate atoms. Signature_________________________ Pg 2 _____________(14) O H H H C C H H O C H H H C C H H O C H H H N C H 3 C CH 3 H 3 C CH 3 F. CH 3 CH 2 COCH 3
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O O A) B) (Just kidding, you do not have to name this one.) 4. (6 pts each) Name the following molecules according to IUPAC nomenclature rules Signature_________________________ Pg 3 _____________(18) H 3 C CH 2 CH CH 3 CH 2 CH CH 3 CH 2 CH 2 CH 3 C) H 2 C C H CH 2 H 3 C CH CH 2 CH 2 CH CH CH 2 CH 3 CH 3 CH 2 CH 3 CH 3 H 2 C CH 3
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A) B) C) 5. (5 pts each) Following is drawn one contributing structure to a resonance hybrid. In the space provided, draw another contributing structure that makes an EQUAL OR GREATER CONTRIBUTION to the overall
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This note was uploaded on 09/13/2008 for the course CH 310M taught by Professor Iverson during the Fall '05 term at University of Texas.

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Fl03Exam1ques - NAME (Print): _ SIGNATURE: _ Chemistry...

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