S07 quiz 5 - Version 001 Quiz 5 David Laude (53015) 1 This...

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Unformatted text preview: Version 001 Quiz 5 David Laude (53015) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. V1:1, V2:1, V3:1, V4:1, V5:2. Please make sure you write your version numbers on your scantron. Good luck! Convert E to K 26:09, general, multiple choice, > 1 min, fixed. 001 (part 1 of 1) 5 points What is the equilibrium constant for the reaction taking place at room temperature ( T = 25 C) in the battery Zn(s) | Zn 2+ (aq) || Ce 4+ (aq) | Ce 3+ (aq)? Assume that the number of electrons trans- ferred in the reaction is n = 2. Zn 2+ + 2 e- Zn E red =- . 76 V Ce 4+ + e- Ce 3+ E red = +1 . 61 V 1. 1 . 33 10 80 correct 2. 2.37 3. 6 . 52 10 79 4. 1 . 84 10 2 5. 1 . 44 10 2 Explanation: Cell Current 26:04, general, multiple choice, > 1 min, fixed. 002 (part 1 of 1) 5 points What is the average current generated in the Cu(s) | Cu 2+ (aq) || Fe 3+ (aq) | Fe(s) electrochemical cell if 50 g of Cu(s) are used...
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This note was uploaded on 03/25/2009 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas at Austin.

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S07 quiz 5 - Version 001 Quiz 5 David Laude (53015) 1 This...

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