An electrochemical cell is created using the following: A useful table of reduction potentials Eº (V) Electrodes: Ag (s), Ni (s) Half-reaction Electrolytes: 1.0 M AGNO3 (aq), 1.0 M Ni(NO3)2 (aq) Ag*(aq) + e- → Ag(s) Fe3 (aq) + 1e* → Fe²*(aq) Cu2*(ag) + 2e- → Cu[s) 2H*(ag) + 2e" → H2(g) Pb2 (ag) + 2e- → Pb(s) Ni²•(aq) + 2e- → Ni(s) Cd2*(aq) + 2e" → Cd(s) Fe2 (aq) + 2e- → Fe(s) Zn²*(ag) + 2e- → Zn(s) 0,80 What is the potential for the cathode half-cell? 0.77 1.05 V 0.34 0.00 0.55 V -0.13 0.25 V -0.25 -0.40 1.60 V -0.44 0.80 V -0.76
An electrochemical cell is created using the following: A useful table of reduction potentials Eº (V) Electrodes: Ag (s), Ni (s) Half-reaction Electrolytes: 1.0 M AGNO3 (aq), 1.0 M Ni(NO3)2 (aq) Ag*(aq) + e- → Ag(s) Fe3 (aq) + 1e* → Fe²*(aq) Cu2*(ag) + 2e- → Cu[s) 2H*(ag) + 2e" → H2(g) Pb2 (ag) + 2e- → Pb(s) Ni²•(aq) + 2e- → Ni(s) Cd2*(aq) + 2e" → Cd(s) Fe2 (aq) + 2e- → Fe(s) Zn²*(ag) + 2e- → Zn(s) 0,80 What is the potential for the cathode half-cell? 0.77 1.05 V 0.34 0.00 0.55 V -0.13 0.25 V -0.25 -0.40 1.60 V -0.44 0.80 V -0.76
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:An electrochemical cell is created using the following:
A useful table of reduction potentials:
Eº (V)
Electrodes: Ag (s), Ni (s)
Half-reaction
Electrolytes: 1.0 M AGNO3 (aq), 1.0 M Ni(NO3)2 (aq)
Ag+(ag) + e- → Ag(s)
Fe3+ (aq) + 1e → Fe2+(aq)
Cu²+(ag) + 2e → Cu(s)
2H*(ag) + 2e → H2(g)
Pb²•(ag) + 2e- → Pb(s)
Ni²*(ag) + 2e → Ni(s)
Cd²+(aq) + 2e- → Cd(s)
Fe2 (aq) + 2e- → Fe(s)
Zn²+(aq) + 2e → Zn(s)
0.80
What is the potential for the cathode half-cell?
0.77
1.05 V
0.34
0.00
0.55 V
-0.13
0.25 V
-0.25
-0.40
1.60 V
-0.44
0.80 V
-0.76
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