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One type of battery that has been investigated for use in electric vehicles is the zinc/air cell. The relevant half cells are: O2(g) + 2H2O + 4e¯ 4 4[OH]¯ (aq) E°=+ 0.40 V [Zn(OH)4] (aq) + 2e 4 Zn(s) + 4[OH]¯(aq) E°=- 1.20 V The [Zn(OH)4]²¬ formed at the anode undergoes the reaction: [Zn(OH)4]³ (an) → ZnO(s) + H>Om + 2[OH]¯ (aq) (ii) Write the overall cell reaction.

One type of battery that has been investigated for use in electric vehicles is the zinc/air cell. The relevant half cells are: O2(g) + 2H2O + 4e¯ 4 4[OH]¯ (aq) E°=+ 0.40 V [Zn(OH)4] (aq) + 2e 4 Zn(s) + 4[OH]¯(aq) E°=- 1.20 V The [Zn(OH)4]²¬ formed at the anode undergoes the reaction: [Zn(OH)4]³ (an) → ZnO(s) + H>Om + 2[OH]¯ (aq) (ii) Write the overall cell reaction.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
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Problem 19.154QP: An electrode is prepared from liquid mercury in contact with a saturated solution of mercury(I)...
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One type of battery that has been investigated for use in electric vehicles is the zinc/air cell. The relevant half cells are: 4. (a) O2(g) + 2H2O0 + 4e¯ 4 4[OH]¯ (aq) E°=+ 0.40 V [Zn(OH)4]² (ag) + 2e¯ 4 Zn) + 4[OH]¯ ag) E°= - 1.20 V The [Zn(OH)4]²- formed at the anode undergoes the reaction: [Zn(OH)4]² (aq) → ZnO(s) + H>O + 2[OH]¯ (aq (ii) Write the overall cell reaction.
Transcribed Image Text:One type of battery that has been investigated for use in electric vehicles is the zinc/air cell. The relevant half cells are: 4. (a) O2(g) + 2H2O0 + 4e¯ 4 4[OH]¯ (aq) E°=+ 0.40 V [Zn(OH)4]² (ag) + 2e¯ 4 Zn) + 4[OH]¯ ag) E°= - 1.20 V The [Zn(OH)4]²- formed at the anode undergoes the reaction: [Zn(OH)4]² (aq) → ZnO(s) + H>O + 2[OH]¯ (aq (ii) Write the overall cell reaction.
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