A Ni-Cd rechargeable cell has a cell potential of +1.30V. If the cathode has a potential of +0.49 V, what is the anode's potential?

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Would you expect a difference in the cell potential had larger cells been constructed and tested?
Suggest an aspect of a cell's function that may be affected by using a larger cell that contains a
greater quantity of chemicals.
A Ni-Cd rechargeable cell has a cell potential of +1.30V. If the cathode has a potential of
+0.49 V, what is the anode's potential?
Transcribed Image Text:Would you expect a difference in the cell potential had larger cells been constructed and tested? Suggest an aspect of a cell's function that may be affected by using a larger cell that contains a greater quantity of chemicals. A Ni-Cd rechargeable cell has a cell potential of +1.30V. If the cathode has a potential of +0.49 V, what is the anode's potential?
Observations (Not graded, but needed to complete the assessment)
Zn(s) Zn²+ (aq) Cu²+ (aq) Cu(s)
Zn (s)
(4₂(0)
(ut cage the cu(s)
+2
Zo(s) → Z₁+² (aq) +Le
Catz
Cell 1
Anode
Cathode
Reduction Half Rxn
Oxidation Half Rxn
Net Cell Rxn
Predicted Standard
Cell Potential
Observed Cell
Potential
Cell 3
Anode
Cathode
Reduction Half Rxn.
Oxidation Half Rxn
Net Cell Rxn
Predicted Standard
Cell Potential
Observed Cell
Potential
Cell 5
Anode
Cathode
Reduction Half Rxn
Oxidation Half Rxn
Net Cell Rxn
Predicted Standard
Cell Potential
Observed Cell
Potential
(aq) +za(s) >curs) Zn²dag)
E cathode - Fanode
1.100
Fe(s) | Fe²+ (aq) | Cu²+ (aq) | Cu(s)
Fels)
(u(s)
Cu²+ (as) 72e → (u(s)
Fecs) >Fe²t Cathe-
Cu²+ (aa) + Fe(s)+Fp²t (oght (W()
E cathode - Eº anode
0
0.790
||
Mg(s) Mg2+ (aq) Fe2+ (aq) Fe(s)
Cell 2
Anode
Cathode
Reduction Half Rxn
Oxidation Half Rxn
Net Cell Rxn
Predicted Standard
Cell Potential
Observed Cell
Potential
Cell 4
Anode
Cathode
Reduction Half Rxn
Oxidation Half Rxn
Net Cell Rxn
Predicted Standard
Cell Potential
Observed Cell
Potential
Cell 6
Anode
Mg(s)
Fels
Fe²+ (aq)t 2e → Fe(s)
My (s) > Mg² tragitze
Net Cell Rxn
Fe²+ (aq)+ Mg(s) >Fe(s) +Mg²¹79₂) Predicted Standard
E cathode - Ecoudé
Cell Potential
1.920
Cathode
Reduction Half Rxn
Oxidation Half Rxn
Observed Cell
Potential
Zn(s) Zn²+ (aq) Fe²+ (aq) Fe(s)
Zn (s)
Fe(s)
Fe²+ Canitze > Fe(s)
Zn (s) → Zn ²¹ cagatze
24
24
Fe²+ (aq) +Zn(s) 72 tagit Fe(s)
E cathode - E anode
0.310
Mg(s) Mg²+ (aq)| Zn²+ (aq)| Zn(s)
Mg(s)
Zac
Zn²+ Cagitze 20 (5)
Mg(s) → Mg²+ (ag) te
Zin't (m₂) tang (s)-> mg Tagiten(s)
E cathode - E anode
1.613
Mg(s) Mg²+ (aq) | Cu²+ (aq) | Cu(s)
Mg (s)
(u(s)
(u²t (ag]+2e +(u(s)
Mg(s) → Mg²+ Castle]
>
(u²+ (aq) + Mg(s) ? M₂² (mg) + (w(s)
Eº Cathode -E anode
2.711
Transcribed Image Text:Observations (Not graded, but needed to complete the assessment) Zn(s) Zn²+ (aq) Cu²+ (aq) Cu(s) Zn (s) (4₂(0) (ut cage the cu(s) +2 Zo(s) → Z₁+² (aq) +Le Catz Cell 1 Anode Cathode Reduction Half Rxn Oxidation Half Rxn Net Cell Rxn Predicted Standard Cell Potential Observed Cell Potential Cell 3 Anode Cathode Reduction Half Rxn. Oxidation Half Rxn Net Cell Rxn Predicted Standard Cell Potential Observed Cell Potential Cell 5 Anode Cathode Reduction Half Rxn Oxidation Half Rxn Net Cell Rxn Predicted Standard Cell Potential Observed Cell Potential (aq) +za(s) >curs) Zn²dag) E cathode - Fanode 1.100 Fe(s) | Fe²+ (aq) | Cu²+ (aq) | Cu(s) Fels) (u(s) Cu²+ (as) 72e → (u(s) Fecs) >Fe²t Cathe- Cu²+ (aa) + Fe(s)+Fp²t (oght (W() E cathode - Eº anode 0 0.790 || Mg(s) Mg2+ (aq) Fe2+ (aq) Fe(s) Cell 2 Anode Cathode Reduction Half Rxn Oxidation Half Rxn Net Cell Rxn Predicted Standard Cell Potential Observed Cell Potential Cell 4 Anode Cathode Reduction Half Rxn Oxidation Half Rxn Net Cell Rxn Predicted Standard Cell Potential Observed Cell Potential Cell 6 Anode Mg(s) Fels Fe²+ (aq)t 2e → Fe(s) My (s) > Mg² tragitze Net Cell Rxn Fe²+ (aq)+ Mg(s) >Fe(s) +Mg²¹79₂) Predicted Standard E cathode - Ecoudé Cell Potential 1.920 Cathode Reduction Half Rxn Oxidation Half Rxn Observed Cell Potential Zn(s) Zn²+ (aq) Fe²+ (aq) Fe(s) Zn (s) Fe(s) Fe²+ Canitze > Fe(s) Zn (s) → Zn ²¹ cagatze 24 24 Fe²+ (aq) +Zn(s) 72 tagit Fe(s) E cathode - E anode 0.310 Mg(s) Mg²+ (aq)| Zn²+ (aq)| Zn(s) Mg(s) Zac Zn²+ Cagitze 20 (5) Mg(s) → Mg²+ (ag) te Zin't (m₂) tang (s)-> mg Tagiten(s) E cathode - E anode 1.613 Mg(s) Mg²+ (aq) | Cu²+ (aq) | Cu(s) Mg (s) (u(s) (u²t (ag]+2e +(u(s) Mg(s) → Mg²+ Castle] > (u²+ (aq) + Mg(s) ? M₂² (mg) + (w(s) Eº Cathode -E anode 2.711
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