177Exam1KeyS08

177Exam1KeyS08 - Seat #_ Dr. Joe Burnett Spring 2008 This...

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Seat #__________ Dr. Joe Burnett Spring 2008 This exam consists of 17 questions on 8 pages CHEM 177 Exam I February 8, 2008 Name______________________ Recitation TA ______________ Recitation Section ___________ Grading Teaching Assistants and Recitation Sections Page Points Score Name Sections Time 2 3 4 5 6 7 TOTAL 12 pts 16 pts 24 pts 20 pts 16 pts 14 pts 102 pts ________ ________ ________ ________ ________ ________ David Ackerman Tanya Gupta Sally McIntyre Kristopher McKee Nicholas Nagle Ying Xia 2, 3 7 5 6, 9 8, 10 4, 11 8:00, 9:00 11:00 10:00 11:00, 12:10 12:10, 1:10 9:00, 2:10 Questions are written on both sides of each page. There is a periodic table on the last page. You may remove this page for scratch paper. The answer key to this exam will be posted on bulletin board #5 in the hallway east of room 1002 Gilman and one the Chem 177 website. Show all work. Answers should include appropriate units and contain the correct number of significant figures. Answer Key
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2 1. (2 pts) The latin name for lead (Pb) is plumbum . Lead can commonly exist in two charge states: +2 and +4. Which of the following is a correct name for Pb(NO 3 ) 4 ? A. plumbic nitrate B. plumbous nitrate C. lead (VI) nitrate D. lead tetranitrate 2. (4 pts) If matter is uniform throughout, cannot be separated into other substances by physical processes, but can be decomposed into other substances by chemical processes, it is called _______________ . A. a heterogeneous mixture B. an element C. a homogeneous mixture D. a compound E. a mixture of elements 3. (6 pts) Draw the structural formula for butane . Butane is an alkane with 4 carbon atoms. What is the formula for butane? ___________________ C 4 H 10 HC C C H H H H C H H H H H C C C H H H H H H H H H or
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3 4. (8 pts) Fill in the gaps in the following table.
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This note was uploaded on 03/26/2008 for the course CHEM 177 taught by Professor Greenbowe during the Spring '06 term at Iowa State.

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177Exam1KeyS08 - Seat #_ Dr. Joe Burnett Spring 2008 This...

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