EXAM+2 - Name Exam 2 (Page 1 of 11) Last Name _ First Name...

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Name Exam 2 (Page 1 of 11) Last Name _____________________________ First Name _________________ Lab Sec. # ____; TA : _________________________; Lab day/time : ___________ Andreas Toupadakis, Ph.D. Fall 2006 CHEMISTRY 2C Section A EXAM 2 Instructions: CLOSED BOOK EXAM ! No books, notes, or additional scrap paper are permitted. All information required is contained on the exam. Place all work in the space provided. If you require additional space, use the back of the exam. A scientific calculator may be used (if it is a programmable calculator, its memory must be cleared before the exam). This exam has 11 pages total. (1) Read each question carefully. (2) For Part I there is some partial credit. There is no partial credit given for part II. There is partial credit for part III. (3) The last 2 pages contain a periodic table and some useful information. You may remove them for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Earned Points # 1–12 (2 points each) / 24 # 13-21 (4 points each) / 36 # 22 (15 points) / 15 # 23 (25 points) / 25 Total Score (100) / 100 13. a b c d e 14. a b c d e 15. a b c d e 16. a b c d e 17. a b c d e 18. a b c d e 19. a b c d e 20. a b c d e 21. a b c d e 13-21 total points:
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Name Exam 2 (Page 2 of 11) Part I: Concepts (2 points each) Some partial credit is available 1. Complete and balance the following reaction: K(s) + O 2 (g) 2. Complete and balance the following reaction: Ca(s) + H 2 O (l) 3. Complete and balance the following reaction: Al(s) + O 2 (g) 4. Complete and balance the following reaction: SiCl 4 (g) + H 2 (g) 5. Give the two reasons why the compound NF 5 does not exist but PF 5 does. 6. What is aqua regia? 7. Is the compound N 2 O 4 paramagnetic or diamagnetic? 8. Draw clearly the structure of P 4 O 10 .
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Name Exam 2 (Page 3 of 11) 9. Write the balanced chemical equation for etching glass made from Si Ο 2 with hydrofluoric acid, producing silicon tetrafluoride gas. 10.
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This note was uploaded on 02/03/2010 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.

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EXAM+2 - Name Exam 2 (Page 1 of 11) Last Name _ First Name...

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