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Unformatted text preview: 162SG EXAM IV V1 SPRING 07 1 Chemistry 162SG Exam IV April 20, 2007 Student Name: _____________________ Recitation Section Number: ____ Recitation Instructor: _________________________ The exam has 25 questions for credit and an additional one to check the color of your exam booklet. Please answer all 26 questions on the OpScan sheet. There is no penalty for guessing. At the end of the 80-minute 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 and signature during the exam. Exam scores and an exam curve will be posted as soon as possible. ON THE OpScan FORM: (Use a Number 2 Pencil or Darker) (1) SIGN your name across the TOP of the form. (2) code only the following information: [ blacken circles] (a) Your Name . . . LAST NAME FIRST [ blank space between last and first names ] (b) Your SOCIAL SECURITY NUMBER [Start under Box A and continue to Box I ] (c) Your RECITATION SECTION NUMBER (Boxes K & L ) [Sections R1=51, R2=52, R3=53, R4 = 54 (d) Your EXAM FORM NUMBER (Box P ) Your EXAM FORM is: See last pages of exam for physical constants, periodic table, and other information. 162SG EXAM III V1 SPRING 07 2 1. When the following redox reaction is balanced, the coefficient of H 2 (g) is Al(s) + H 2 O( ) Al(OH) 4- (aq) + H 2 (g) A. 2 B. 3 C. 4 D. 5 E. 6 2. An unknown metal (M) is electrolyzed. It took 74.1 s for a current of 2.00 A to plate 0.107 g of the metal from a solution containing M(NO 3 ) 3 . The metal is: A. La B. Ga C. Cu D. Rh E. Bi 3. If the change in the entropy of the surroundings for a process at 425 K and constant pressure is -215 J/K, what is the heat flow absorbed by the system?...
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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.
- Spring '08