19.39 ---### VOLTAIC CELL NOTATION#### 19.41 Write the cell notation for a voltaic cell with the following conditions. #### 19.39 Describe a voltaic cell using this reaction. What are the half-reactions?\[ \text{Zn(s)} + 2\text{Ag}^+ (\text{aq}) \rightarrow \text{Zn}^{2+} (\text{aq}) + 2\text{Ag} (\text{s}) \]#### 19.40 Obtain half-reactions and describe a silver oxide-zinc cell that maintains a fairly constant voltage during discharge (1.60 V). This cell is used in watches, hearing aids, and other electronic devices. The half-reactions are: \[ \text{Zn(s)} + 2\text{OH}^- (\text{aq}) \rightarrow \text{Zn(OH)}_2 (\text{s}) + 2\text{e}^- \]\[ \text{Ag}_2\text{O(s)} + \text{H}_2\text{O(l)} + 2\text{e}^- \rightarrow 2\text{Ag(s)} + 2\text{OH}^- (\text{aq}) \] Identify the anode and the cathode reactions. What is the overall reaction in the voltaic cell?---*In the given text, equations and reactions related to voltaic cells are provided. Specifically, reactions involving zinc, silver, and their respective half-reactions are discussed. Detailed description and examination of various reactions and cell notations are outlined, highlighting the usage of these cells in critical applications like watches and hearing devices.*

Given Silver Oxide Zinc cell Half reactions are Zn(s) + 2 -OH(aq.) ------> Zn(OH)2(s) + 2e-…

19 39 A sılver oxide–zinc cell maintains a fairly constant voltage during discharge (1.60 V). The button form of this cell is used in watches, hearing aids, and other electronic devices. The half-reactions are → Zn(OH)2(s) + 2eininos 2Ag(s) + 20H (aq) Zn(s) + 20H¯(aq) Ag,0(s) + H,O(1) + 2e¯ → Identify the anode and the cathode reactions. What is the over- all reaction in the voltaic cell?

19 39 A sılver oxide–zinc cell maintains a fairly constant voltage during discharge (1.60 V). The button form of this cell is used in watches, hearing aids, and other electronic devices. The half-reactions are → Zn(OH)2(s) + 2eininos 2Ag(s) + 20H (aq) Zn(s) + 20H¯(aq) Ag,0(s) + H,O(1) + 2e¯ → Identify the anode and the cathode reactions. What is the over- all reaction in the voltaic cell?

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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