Practice Exam II - S05

Practice Exam II - S05 - Dr. Bryan Enderle Name_ Student ID...

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Name______________________________________________ Student ID Number___________________________________ LAB Sec. # ___; TA: __________; Lab day/time: __________ Dr. Bryan Enderle Spring 2005 CHEMISTRY 2B (Section D) Exam II 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 #9-11. (6 points each) / 18 #12-15. (24 points) / 24 #16. (20 points) / 20 #17. (20 points) / 20 Total Score (106) / 106 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 1-8 total pts: 9. a b c d e 10. a b c d e 11. a b c d e 9-11 total pts:
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Name: ____________________________________ Exam II (Page 2 of 10) 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 of the following weak acids has the strongest conjugate base? (a) H 2 O 2 (b) HOCl (c) HClO 2 (d) HNO 2 (e) HIO 3 2. (3 pts) When equal volumes of 0.050 M aqueous solutions of NH 4 Cl and HCl are mixed, the pH of the resulting solution will be… (a) between 1 and 7 (b) between 7 and 13 (c) equal to the value of the pK a for HCN (d) equal to 7 (e) equal to the pK b for CN - 3. (3 pts) The equilibrium constant for the reaction of 1 mol of Ca(OH)
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This note was uploaded on 04/09/2010 for the course CHE 2B taught by Professor Enderle during the Spring '10 term at UC Davis.

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Practice Exam II - S05 - Dr. Bryan Enderle Name_ Student ID...

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