Anode_lab_6 - University of Ontario Institute of Technology...

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University of Ontario Institute of Technology 2010 04 06 Electrochemistry and voltaic cells In class lab…. .number 6 Rubeshan Sathananthan 100371055
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Experiment 6 – Electrochemistry Name: ____Rubeshan Sathananthan____ Partner _______Mihir patel Day: ______Tuesday_______ Time: ______9.10 -11.00 am____________ TA Name: _____Kelvin________
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Results, Discussion and Questions Part 1 Anode Cathode Exp. Voltage Theor. Voltage (V) 1 Mg (s) b Mg +2 + 2e - Cu +2 + 2e - b Cu 1.55 2.7119 2 Mg (s) b Mg +2 + 2e - Zn +2 + 2e - b Zn 0.56 1.6082 3 Mg (s) b Mg +2 + 2e - Fe +2 + 2e - b Fe 0.95 1.923 4 Zn (s) b Zn +2 + 2e - Cu +2 + 2e - b Cu 0.90 1.1037 5 Fe (s) b Fe +2 + 2e - Cu +2 + 2e - b Cu 0.55 0.7889 6 Zn (s) b Zn +2 + 2e - Fe +2 + 2e - b Fe 0.29 0.3148 Part 2 Voltage before addition of NH 3 0 V Voltage after addition of NH 3 0.3V Questions 1. Why is no voltage observed before the porous cup is immersed in the glass electrode jar?
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Anode_lab_6 - University of Ontario Institute of Technology...

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