ExIIV1SP05 - Chemistry 162SG Exam II March 4, 2005 Student...

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Chemistry 162SG Exam II March 4, 2005 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 EII V1 SPRING “05” 2 1. Given: N 2 O 4 (g) 2NO 2 (g) K p = 0.62 What is K p for the reaction below? NO 2 (g) 2 1 N 2 O 4 (g) A. 1.6 B. 1.3 C. 2.1 D. 0.31 E. 0.56 2. Consider the equilibrium reaction given below: CO 2 (g) + C(s) 2CO(g) K p = 2.0 x 10 -2 3.00 atm of CO 2 are introduced into a reaction vessel containing excess carbon. Calculate the total pressure when equilibrium is established? A. 3.24 atm B. 3.36 atm C. 2.88 atm D. 3.50 atm E. 3.12 atm
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162SG EII V1 SPRING “05” 3 3. Calculate the pH of a solution prepared by dissolving 3.06 g of barium oxide (BaO, molar mass = 153.34 g) in water and diluting the resulting solution to 250 mL. A.
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ExIIV1SP05 - Chemistry 162SG Exam II March 4, 2005 Student...

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