EXAM 2 F2008 - Toupadakis 2A (Page 1 of 10) Fall 2008 EXAM...

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Toupadakis 2A Fall 2008 EXAM 2 (Page 1 of 10) Last Name _____________________________ First Name _________________ Lab Sec. # ____; TA : _________________________; Lab day/time : ___________ Andreas Toupadakis, Ph.D. Fall 2008 CHEMISTRY 2A Section D Good luck EXAM 2 ( circle one ) Instructions: CLOSED BOOK EXAM ! No books , notes , or add it iona l 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 10 pages. (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 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 Points # 1–9 (4 points each) / 36 # 10-15 (6 points each) / 36 # 16 (16 points) / 16 # 17 (8 points) / 08 # 18 (4 points) / 04 Total Score (100) / 100 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
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Toupadakis 2A Fall 2008 EXAM 2 (Page 2 of 10) Part I: Multiple Choice, Concepts (4 points each) Select the best answer and enter your choice on the cover sheet – No partial credit 1) Which of the following combinations of reactants will yield a precipitate? ©AT2008FALL A. H 2 SO 4 (aq) + NH 3 (aq) B. Pb(NO 3 ) 2 (aq) + KI(aq) C. HCl(aq) + NaOH(aq) D. HCl(aq) + Zn(s) E. KCl(aq) + NaNO 3 (aq) 2) Which of the following incomplete chemical equations leads to: ©AT2008FALL H + (aq) + OH - (aq) H 2 O(l) as its net ionic equation? A. H 2 SO 4 (aq) + NH 3 (aq) B. Pb(NO 3 ) 2 (aq) + KI(aq) C. HCl(aq) + NaOH(aq) D. HCl(aq) + Zn(s) E. KCl(aq) + NaNO 3 (aq) 3) Oxidation is: ©AT2008FALL A. gain of oxygen B. loss of hydrogen C. loss of electrons D. electron depletion E. all of the above 4) Which of the following mathematical expressions states Avogadro’s law? ©AT2008FALL A. V = kn B. V = k/P C. V = kT D. V total = Σ V i E. Rate = k/M 1/2
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Toupadakis 2A Fall 2008 EXAM 2 (Page 3 of 10) 5) The volume of a gas was increased by six times, its absolute temperature was tripled and the number of its molecules was doubled. Its pressure: ©AT2008FALL A. increased B. decreased C. stayed the same D. was doubled E. was tripled
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This note was uploaded on 03/24/2010 for the course CHEMISTRY chem 2a taught by Professor Dr.a.toupadakis during the Spring '10 term at UC Davis.

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EXAM 2 F2008 - Toupadakis 2A (Page 1 of 10) Fall 2008 EXAM...

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