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Toupa exam1 W07 - Name EXAM 1(Page 1 of 11 First Name Last...

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First Name _________________ Last Name _____________________________ Lab Sec. # ____; TA : _________________________; Lab day/time : ___________ Andreas Toupadakis, Ph.D. Winter 2007 CHEMISTRY 2B Section D Good luck EXAM 1 ( circle one ) 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 # 1–9. (5 points each) / 45 # 10-14. (8 points each) / 40 # 15. (25 points) / 25 # 16. (13 points) / 13 Total Score (123) / 123 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 1-9 total points: 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 10-14 total points: Multiple Choice
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Name EXAM 1 (Page 2 of 11) Part I: Multiple Choice, Concepts (5 points each) Select the best answer and enter your choice on the cover sheet No partial credit 1. The units of heat capacity are a. K/J or o C/J. b. J/K or J/ o C. c. J/g·K or J/g· o C. d. J/mol. e. g·K/J or g· o C/J. 2. Of the following, which one is a state function? a. H b. q c. w d. heat e. none of the above 3. Consider an isolated system. The system is composed of the reactants for a chemical reaction. The initial temperature of the system is 30 degrees Celsius. The reactants change into products. If the products have the same potential energy as the reactants had, what will be the temperature of the system at its final state? In other words, what will be the temperature of the products? ©AT2007WIN a. T > 30 degrees Celsius. b. T = 30 degrees Celsius. c. T < 30 degrees Celsius. d. not enough information to make a conclusion. e. T = 15 degrees Celsius.
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