final_exam_sp07 - Chemistry 162/162SG Student Name(Print...

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1 Chemistry 162/162SG Final Exam May 7, 2007 Student Name (Print): ____________________ Recitation Section Number:  Recitation Instructor: __________________ The exam booklet has 50 questions for credit and one additional question to check the color of your exam booklet. Please answer all 50 questions on the OpScan sheet. Use the best answer of the choices available. There is no penalty for guessing. At the end of the 3-hour exam period, please hand in only this top sheet and your OpScan form. If you finish early, please do not disturb your fellow students. A proctor will check your picture ID, OpScan form, signature and calculator during the exam. The use of calculators with permanent memories (graphing calculators), cell phones, pagers, PDAs or other electronic devices other than a basic scientific calculator is expressly forbidden. The last page of the booklet contains a periodic table along with other useful data. The use of any other notes or information on this test will be considered a violation of the Academic Honesty provisions of the student code. Exam scores will be posted as soon as possible. ON THE OpScan FORM (Use a #2 pencil or darker) 1. SIGN your name across the top of the form. 2. Code the following information ( blacken circles) Your Name (LAST NAME FIRST) Your RUTGERS ID NUMBER [Start under Box A and continue to Box I ] Your RECITATION SECTION NUMBER in [Sections 01-08, code a 0 under box K ] Your EXAM FORM NUMBER under box P Your EXAM FORM is
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2 Your EXAM FORM is 1 How many of the following compounds exhibit geometric isomers? I. Pt(NH 3 ) 2 Cl 2 II. [Co(NH 3 ) 6 ]Cl 3 III. [Ni(NH 3 ) 4 (NO 2 ) 2 ] IV. K 2 [CoCl 4 ] A. 0 B. 1 C. 2 D. 3 E. 4 2 From the table of standard reduction potentials at the end of this exam, determine the equilibrium constant for the following reaction: Mg(s) + Sn 2+ (aq) Mg 2+ (aq) + Sn(s) A. 3×10 37 B. 5×10 80 C. 9×10 -76 D. 2×10 -30 E. 1×10 75 3 Which of the following solid salts is more soluble in 1.0 M H + than in pure water? A. NaI B. KBr C. FePO 4 D. AgCl E. KNO 3
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3 4 For which of the following reactions is K c > K p ? A. H 2 O(s) H 2 O(g) B. H 2 (g) + ½ O 2 (g) H 2 O(g) C. H 2 (g) + Cl 2 (g) 2HCl(g) D. 2KClO 3 (s) 2KCl(s) + 3O 2 (g) E. 2O 3 (g) 3O 2 (g) 5 o (volts) Cl 2 (aq) + 2e - 2Cl - (aq) 1.36 Br 2 (aq) + 2e - 2Br - (aq) 1.08 Sn 2+ (aq) + 2e - Sn(s) -0.14 Ni 2+ (aq) + 2e - Ni(s) -0.24 A solution containing 1.0 M NiCl 2 and 1.0 M SnBr 2 undergoes electrolysis by passing a current between two platinum electrodes. What are the most likely first products to be formed? A. Ni(s) at the cathode, Cl 2 (aq) at the anode B. Ni(s) at the cathode, Br 2 (aq) at the anode C. Sn(s) at the cathode, Br 2 (aq) at the anode D. Sn(s) at the cathode, Cl 2 (aq) at the anode E. Cl 2 (aq) at the cathode, Ni(s) at the anode 6 A wooden artifact has a 14 C activity of 12 dpm/g. A sample of wood from a modern source has an activity of 15 dpm/g. The half life of 14 C is 5730y. What is the age of the artifact?
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This note was uploaded on 12/19/2008 for the course CHEM 162SG 162 taught by Professor Vassillian during the Spring '08 term at Rutgers.

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final_exam_sp07 - Chemistry 162/162SG Student Name(Print...

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