Chem 162 Fall 04 - Make Up

Chem 162 Fall 04 - Make Up - Chemistry 162 Final Make up...

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Chemistry 162 Final Make up Exam Fall 2004 Student Name: ____________________________ Recitation Section Number: ______ Recitation Instructor: _______________________ The exam has 42 questions for credit and an additional one to check the color of your exam booklet. Please answer all 43 questions on the OpScan sheet . There is no penalty for guessing. At the end of the 180-minute exam period, please hand in only 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 collect this cover sheet during the exam. Exam scores and course grade will be posted as soon as possible. ON THE OpScan FORM: [Use a Number 2 Pencil or Darker] SEC. PER. INST. (1) SIGN your name across the TOP of the form. 01 T6 PORCJA (2) Code ONLY the following information: [ blacken circles] 02 T6 WAIDLICH (a) Your Name… LAST NAME FIRST 04 TH6 PORCJA [ Blank space between last and first names] 06 TH6 WAIDLICH (b) Your SOCIAL SECURITY NUMBER [Start under Box A and continue to Box I ] 07 T8 WAIDLICH (c) Your RECITATION SECTION NUMBER [Boxes K & L ] 08 T8 PORCJA [Sections 01 – 08, code the zero under Box K ] (d) Your EXAM FORM NUMBER [Box P ] Your EXAM FORM is: 1 See last page of exam for physical constants, periodic table, and other information. 162 FINAL EXAM MAKE-UP FALL 2004 1
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BEFORE STARTING THE EXAM, PLEASE FILL IN YOUR FORM # IN COLUMN P AND YOUR SECTION # IN COLUMNS K AND L ON THE OPSCAN FORM. FILL IN ALL OTHER INFORMATION ACCURATELY TO AVOID PENALTY . 1. A sample of a metal halide forms a rock-salt type of unit cell of density 2.53 g/cm 3 . The sum of the radii of the cation and the anion is 433 pm. What is the molar mass of the halide? A. 248 g/mol B. 151 g/mol C. 62.0 g/mol D. 30.2 g/mol E. 121 g/mol 2. Which one of the following equation has Q c = [SO 2 ]? A. 2SO 3 (aq) 2SO 2 (g) + O 2 (aq) B. S(s) + O 2 (aq) SO 2 (aq) C. S(s) + O 2 (aq) SO 2 (g) D. Na 2 SO 3 (s) Na 2 O(s) + SO 2 (g) E. SO 2 (g) SO 2 ( ) l 3. When CH 3 OCH 3 dissolves in CH 3 COCH 3 , the solute-solvent intermolecular bond is called: A. hydrogen bond B. London bond C. ion-ion bond D. dipole-dipole bond E. ion-dipole bond 4. The G f ° for NO 2 (g) is 51.3 kJ/mol at 25 ° C. Calculate G f ° for N 2 O 4 (g). 162 FINAL EXAM MAKE-UP FALL 2004 2
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N 2 O 4 (g) 2NO 2 (g) K p = 0.140 at 25 ° C A. 100 kJ/mol B. 107 kJ/mol C. 49.7 kJ/mol D. 46.4 kJ/mol E. 97.7 kJ/mol 5. Which of the following reactions will proceed to the right to reach equilibrium? Given: 2NO(g) + O 2 (g) 2NO 2 (g) K c = 0.500 [ N O ] o [O 2 ] o [NO 2 ] o W. 0 M 2.0 M 1.0 M X. 1.5 M 1.2 M 0 M Y. 2.0 M 3.0 M 1.5 M Z. 2.0 M 1.5 M 3.0 M A. X and Y B. X and Z C. W and X D. W and Z E. Y and Z 6. What fraction of SO 2 Cl 2
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Chem 162 Fall 04 - Make Up - Chemistry 162 Final Make up...

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