CH202 In Lab 10 Electrochem..

CH202 In Lab 10 Electrochem.. - CH202 In Lab 10...

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CH202 In Lab 10 Electrochemical Cells (In-Lab) SCHNELL ZACHARY EUGENE CH202, section 005, Fall 2008 Instructor: weiming zheng TA Web Assign Current Score: 50 out of 50 Due: Tuesday, November 11, 2008 07:15 PM EST Description Please complete an evaluation of your TA at Class Evaluations The link will be active from 8 am on August 4 through 8 a.m. on August 11, 2008. If you need help, students can send a message to [email protected] There is no need to evaluation the Lab Coordinator, Lori Petrovich, unless you really wish to. Please focus on evaluating your TA. Thank you, Dr. Lori Petrovich Instructions Reduction_Table The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Important! Before you view the answer key, decide whether or not you plan to request an extension. Your Instructor may not grant you an extension if you have viewed the answer key. Request Extension View Key 1. 35/35 points Data Table A. Cell Potentials vs a Zn 2+ /Zn (0.1 M) Couple Half-Cell Potential Difference, mV Ag 1+ /Ag (0.1 M) 1240 Ag 1+ /Ag (0.1 M) * 1240 Pb 2+ /Pb (0.1 M) 335 Cu 2+ /Cu (0.1 M) 829 * Leads switched Question 1. In your first measurement since the Zn 2+ /Zn (0.1 M) redox couple is the reference, does your test Ag 1+/ /Ag (0.1 M) redox couple have a more positive or more negative reduction potential than zinc? more positive more negative CH202 In Lab 10 Electrochemical Cells http:[email protected]/student.pl?x=200812071. .. 1 of 5 12/7/2008 2:45 PM
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Quesiton 2a. Given your response to Question 1, which half-cell is the anode? zinc half-cell
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This note was uploaded on 02/03/2009 for the course CH CH 102, 20 taught by Professor Ta,ta,sandberg during the Fall '08 term at N.C. State.

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CH202 In Lab 10 Electrochem.. - CH202 In Lab 10...

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