Practice Exam I - W07

Practice Exam I - W07 - Dr Dorte Madsen Name Student ID...

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Name______________________________________________ Student ID Number___________________________________ LAB Sec. # ___; TA: __________; Lab day/time: __________ Dr. Dorte Madsen Winter 2007 CHEMISTRY 2B (Section A) 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 #1–12. (3 points each) / 36 #13-19. (6 points each) / 42 #20, #21 (9+8 points) / 17 #22, #23 (8+8 points) / 16 #24, #25 (8+8 points) / 16 Free points (4 points) 4 / 4 Total Score (131) / 131 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 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 1-12 total pts: 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 13-19 total pts:
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Name: ____________________________________ Exam I (Page 2 of 12) 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) According to the phase diagram for CO 2 given, which of the following statements is FALSE? (a) At 5.11 atm and –56.6°C three phases co-exists (b) The solid form is denser than the liquid form (c) CO 2 is a gas at 74.0 atm and 32°C (d) CO 2 is a solid at 5.11 atm and -56°C (e) At 70 atm, increasing the temperature of CO 2 from –56.6°C to 25°C will cause a phase transition from solid to liquid form 2. (3 pts) Which one of the following is the strongest intermolecular force experienced by chloroethane (CH 3 CH 2 Cl)? (a) Van der Waals or London forces (b) Dipole-dipole interactions (c) hydrogen bonding (d) Polar covalent bonds (e) Ion-ion
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Name: ____________________________________ Exam I (Page 3 of 12) 3. (3 pts) Which of the following organic substances is most readily soluble in water? (a) Benzene
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This note was uploaded on 04/09/2010 for the course CHE 2B 36001 taught by Professor Williamcasey during the Spring '09 term at UC Davis.

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Practice Exam I - W07 - Dr Dorte Madsen Name Student ID...

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