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2010 Exam 3 - Chemistry 241 Spring 2010 Exam 3 Name TA 1 2...

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Chemistry 241 Spring 2010 Exam 3 Name __________________________________ TA __________________________________ Section __________________ 1. You are responsible for all information on this page. 2. Show all work on the exam, and write answers in ink. Clearly indicate your answer and mark through any writing that should be ignored in grading. 3. There are four questions and a bonus. You should also have a Periodic Table and Useful Information on two pages. Potentially Useful Information Including Next Page F = 96,500 J mol -1 V -1 = 96,500 C mol -1 1 mol e - = 1 F R = 8.314 J mol -1 K -1 1 eV = 96.485 kJ mol -1 Δ Gº = -nFEº log K eq = E cell = E 0 cell - log (T = 298 K) nE cell 0 00592 . 0 0592 . n products reactants 1 g = 6.022 x 10 23 amu 1 Å = 10 -8 cm 1 pm = 10 -12 m
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-2.0 0.0 2.0 4.0 7 5 1 0 -1 Oxidation Number nE 0 / V BrO 4 - BrO 3 - BrO - Br 2 Br - Frost Diagram for Bromine in 1M OH - Problem 1. _____________/20 Problem 2. _____________/22 Problem 3. _____________/18 Problem 4. _____________/20 Bonus _____________/3 Total _____________/80
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1. (20 points) Indicate the most likely connections between atoms in the following compounds or ions, and draw a sensible Lewis structure for each.
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