Practice Exam I - S05 - Key

Practice Exam I - S05 - Key - Dr. Bryan Enderle Name_...

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Name______________________________________________ Student ID Number___________________________________ LAB Sec. # ___; TA: __________; Lab day/time: __________ Dr. Bryan Enderle Spring 2005 CHEMISTRY 2B (Section D) Exam I 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). (1) Read each question carefully. (2) For Parts I and II , there is no partial credit given and only answers marked on this cover page will be graded . (3) The last page contains a periodic table and some useful information. You may remove it for easy access. (4) If you finish early, RECHECK YOUR ANSWERS! U.C. Davis is an Honor Institution Possible Points Points #1–8. (3 points each) / 24 #8-14. (6 points each) / 42 #15. (14 points) / 14 #16. (15 points) / 15 #17. (20 points) / 20 Total Score (112) / 112 Multiple Choice (circle one) 1. a b c d e 2. a b c d e 3. a b c d e 4. a b c d e 5. a b c d e 6. a b c d e 7. a b c d e 1-7 total pts: 8. a b c d e 9. a b c d e 10. a b c d e 11. a b c d e 12. a b c d e 13. a b c d e 14. a b c d e 8-14 total pts:
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Name: ____________________________________ Exam I (Page 2 of 9) Part I: Multiple Choice, Concepts (3 points each) Select the best answer and enter your choice on the cover sheet – No partial credit 1. (3 pts) Which one of the following is the strongest intermolecular force experienced by the PH 3 ? (a) Van der Waals or London forces (b) Dipole-dipole interactions (c) hydrogen bonding (d) Polar covalent bonds (e) Ion-ion 2. (3 pts) A container with water is brought to a boil, then capped such that water and container become a closed system. The container is then immediately quenched into an ice-water bath. What will immediately happen to the liquid water inside the container? (a) Nothing. (b) The water will cool down and freeze. (c) The water will boil. (d) The water will become a supercritical fluid. (e) The water will undergo a nuclear reaction. 3. (3 pts) The triple point for iodine is (113.1 ˚ C, 91.6 mmHg). Which of the following is true for iodine? (a) At standard temperature and pressure, iodine is a liquid.
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This note was uploaded on 04/09/2010 for the course CHE 2b taught by Professor Augustine during the Spring '07 term at UC Davis.

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Practice Exam I - S05 - Key - Dr. Bryan Enderle Name_...

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