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Both mercury and silver button batteries (such as those used in many watches) operate through a redox reaction involving zinc. The balanced equation for the overall reaction in a mercury button battery is given below. (Spectator ions have been omitted.) Zn (s) + HgO(s) –→ ZnO(s) + Hg(1) Reduction half-reactions are as follows: ZnO(s) + H,0(1) + 2e - Zn(s) + 20H¯(aq);E°=-1.25V Hgo(s) + H,0(1) +2e¯= Hg(1) + 20H¯(aq);E° = +0.0997V

Both mercury and silver button batteries (such as those used in many watches) operate through a redox reaction involving zinc. The balanced equation for the overall reaction in a mercury button battery is given below. (Spectator ions have been omitted.) Zn (s) + HgO(s) –→ ZnO(s) + Hg(1) Reduction half-reactions are as follows: ZnO(s) + H,0(1) + 2e - Zn(s) + 20H¯(aq);E°=-1.25V Hgo(s) + H,0(1) +2e¯= Hg(1) + 20H¯(aq);E° = +0.0997V

Chemistry
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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Calculate K, the equilibrium constant for this reaction, at a temperature of 35.0 °C, given that AG° = -RTIn K.
Transcribed Image Text:Calculate K, the equilibrium constant for this reaction, at a temperature of 35.0 °C, given that AG° = -RTIn K.
Both mercury and silver button batteries (such as those used in many watches) operate through a redox reaction involving zinc. The balanced equation for the overall reaction in a mercury button battery is given below. (Spectator ions have been omitted.) Zn (s) + HgO(s) → ZnO(s) + Hg(1) -> Reduction half-reactions are as follows: Zno(s) + H,0(1) + 2e = Zn(s) + 20H¯(aq);E° =-1.25V HgO(s) + H,0(1) + 2e= Hg(1) + 20H (aq);E° = +0.0997V
Transcribed Image Text:Both mercury and silver button batteries (such as those used in many watches) operate through a redox reaction involving zinc. The balanced equation for the overall reaction in a mercury button battery is given below. (Spectator ions have been omitted.) Zn (s) + HgO(s) → ZnO(s) + Hg(1) -> Reduction half-reactions are as follows: Zno(s) + H,0(1) + 2e = Zn(s) + 20H¯(aq);E° =-1.25V HgO(s) + H,0(1) + 2e= Hg(1) + 20H (aq);E° = +0.0997V
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