exam_2_sp07 - Chemistry 162SG Exam II March 2, 2007 Student...

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Chemistry 162SG Exam II March 2, 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 ) [Sections R1=51, R2=52, R3=53, R4 = 54 (d) Your EXAM FORM NUMBER (Box P ) Y o u r E X A
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162SG EXAM II V1 SPRING “07” 2 1. For which of the following equilibria would the equilibrium shift to the left if the volume of the container is reduced? I. N 2 O 4 (g) 2NO 2 (g) II. 2HI(g) H 2 (g) + I 2 (g) III. 2SO 2 (g) + O 2 (g) 2SO 3 (g) A. I only B. I and II C. II only D. II and III E. III only 2. A container is initially filled with 0.250 atm of CO(g) and 0.0450 atm of O 2 (g). Calculate the pressure of O 2 (g) after equilibrium is attained. (Hint: Use large K approximation) 2CO(g) + O 2 (g) 2CO 2 ( g ) K p = 6.0 x 10 8 A. 3.7 x 10 -11 atm B. 5.3 x 10 -10 atm C. 2.4 x 10 -9 atm D. 7.0 x 10 -7 atm E. 1.8 x 10 -8 atm
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162SG EXAM II V1 SPRING “07” 3 3. Consider the following equilibrium 2NO(g) + Cl 2 (g) 2NOCl(g) H ° = -77.1 kJ Which of these factors will decrease the concentration of NOCl? A.
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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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exam_2_sp07 - Chemistry 162SG Exam II March 2, 2007 Student...

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