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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Tblack Tblack
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3 years ago
The following half-reactions are used in the zinc-air battery.
(aq) + 2 e-→ Zn(s) + 4 OH-(aq) E° = -1.199 V  
O2(g) + 2 H2O(l) + 4 e-→ 4 OH-(aq) E° = +0.401 V

How much charge is transferred per gram Zn(s) in this voltaic cell?

▸ 5.90 × 103 C

▸ 2.95 × 103 C

▸ 1.47 × 103 C

▸ 3.39 × 10-4 C

▸ 1.69 × 10-4 C
Textbook 
General Chemistry: Principles and Modern Applications

General Chemistry: Principles and Modern Applications


Edition: 11th
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deathDoUsPartdeathDoUsPart
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Tblack Author
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3 years ago
Thanks for your help!!
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This site is awesome
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