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CH202 Prelab 10 Electrochem..

CH202 Prelab 10 Electrochem.. - CH202 Prelab 10...

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CH202 Prelab 10 Electrochemical Cells (Prelab) SCHNELL ZACHARY EUGENE CH202, section 005, Fall 2008 Instructor: weiming zheng TA Web Assign Current Score: 25 out of 25 Due: Monday, November 10, 2008 11:00 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 The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Request Extension 1. 3/3 points | 1/3 submissions There are several hazards associated with the chemicals in the Electrochemical Cells experiment. For each chemical, list the letters of the associated hazards in the blank provided. Give the letters in alphabetical order, separated by commas. 3.0 M HCl B,E A. Toxic if ingested 3.0 M NaOH E B. Irritating vapors 0.1 M Cu(NO 3 ) 2 A C. Flammable 0.1 M AgNO 3 A,D D. Causes dark spots if spilled on skin Graphite rods F E. Corrosive Ascorbic acid (solid) F F. None Listed 2. 1/1 points | 1/3 submissions Select all statements that are correct with respect to waste disposal in the Electrochemical Cells Experiment. Ascorbic acid solution can be flushed down the sink. CH202 Prelab 10 Electrochemical Cells http://www.webassign.net/[email protected]/student.pl?x=200812071... 1 of 7 12/7/2008 2:44 PM
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Rinsings from the salt bridge can be flushed down the sink.
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