ws12302 - CH302 Worksheet 12. Balancing Redox reactions and...

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CH302 Worksheet 12. Balancing Redox reactions and assigning cell convention . Use the table of standard reduction potentials below as required. Half reaction E o Li + + e - = Li -3.04 Na + + e - = Na -2.71 Mg +2 + 2e - = Mg -2.38 Al +3 + 3e - = Al -1.66 2H 2 O + 2e - = H 2 (g) + 2OH - -0.83 Zn +2 + 2e - = Zn -0.76 Cr +3 + 3e - = Cr -0.74 Fe +2 + 2e - = Fe -0.41 Cd +2 + 2e - = Cd -0.40 Ni +2 + 2e - = Ni -0.23 Sn +2 + 2e - = Sn -0.14 Pb +2 + 2e - = Pb -0.13 Fe +3 + 3e - = Fe -0.04 2H + + e - = H 2 0.00 Half reaction E o Sn +4 + 2e - = Sn +2 +0.15 Cu +2 + e - = Cu + +0.16 Cu +2 + 2e - = Cu +0.34 I 2 + 2e - = 2I - +0.54 Fe +3 + e - = Fe +2 +0.77 Ag + + e - = Ag +0.80 Hg +2 + 2e - = Hg +0.85 NO3 - + 4H + + 3e - = NO + 2H 2 O +0.96 Br 2 + 2e - = 2Br - +1.07 O 2 + 4H + + 4e - = 2H 2 O +1.23 Cr 2 O 7 -2 + 14H + + 6e - = 2Cr +3 + 7H 2 O +1.33 Cl 2 + 2e - = 2Cl - +1.36 MnO 4 -2 + 8H + + 5e - = Mn +2 + 4H 2 O +1.49 F 2 + 2e - = 2F - +2.87 15 reactions to use in answering the questions below. Dr. Laude’s demos (balance by inspection)
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This note was uploaded on 10/07/2011 for the course CHEMISTRY 51635 taught by Professor Laude during the Spring '10 term at University of Texas.

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ws12302 - CH302 Worksheet 12. Balancing Redox reactions and...

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