03._final_sp05

03._final_sp05 - Name_ Student ID Number_ LAB Sec. # _; TA:...

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Name__________________________________________________ Student ID Number_______________________________________ LAB Sec. # _____; TA: ____________; Lab day/time: __________ Andreas Toupadakis, Ph.D. Spring 2005 CHEMISTRY 2B (Sec. B) Final Exam 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. (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! (5) Circle your choice on the right for the multiple choice questions 1 – 20. U.C. Davis is an Honor Institution Possible Points Points #1–12. (3 points each) / 36 #13–20. (6 points each) / 48 #21. (15 points) / 15 #22. (19 points) / 19 Total Score (118) / 1.18 = % 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 20. a b c d e 13-20 total pts:
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Final Exam Page 2 of 15 Initial:___________ Part I: Multiple Choice, Concepts (3 pts each) Circle the correct answer and circle your response on the cover – No partial credit 1. Choose the INCORRECT statement. a. Kinetic energy is the energy of motion. b. Potential energy is energy in action. c. Heat is energy transferred as a result of a temperature difference. d. Pressure volume work is calculated by w = - P V . e. Heat moves from a warmer body to a colder one. 2. The standard enthalpy of formation for CuSO 4 · 5H 2 O(s) is -2278.0 kJ/mole at 25 o C. The chemical equation to which this value applies is: a. Cu(s) + S(s) + 5 H 2 O(g) + 2 O 2 (g) CuSO 4 · 5H 2 O(s) b. Cu(s) + S(s) + 9/2 O 2 (g) + 5 H 2 (g) CuSO 4 · 5H 2 O(s) c. Cu(s) + SO 4 (g) + 5 H 2 O(g) CuSO 4 · 5H 2 O(s) d. Cu(s) + S(s) + 5/9 O 2 (g) + 5 H 2 (g) CuSO 4 · 5H 2 O(s) e. 2Cu(s) + 2 SO 2 (g) + 5 H 2 O(g) 2CuSO 4 · 5H 2 O(s) 3. A gas can be liquefied only at temperatures below the: a. Boiling temperature b. Critical temperature c. Melting temperature d. Normal temperature e. Superheating temperature
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Final Exam Page 3 of 15 Initial:___________ 4. Which of the following organic substances is most readily soluble in water? a. Benzene b. Pyridine c. Octane d. Carbon tetrachloride e. Toluene 5. For the reaction: 3 Fe(s) + 4 H 2 O(g) Fe 3 O 4 (s) + 4 H 2 (g) what is the effect of adding Fe(s)?
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03._final_sp05 - Name_ Student ID Number_ LAB Sec. # _; TA:...

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