10. Consider the battery below containing 1M CuSO4 and 1MZnSO4 which is capable delivering a voltage of 1.104 V. You need this voltage to operate your device. Eventually the battery will stop functioning as the voltage will drops to near zero. What can you do to extend the lifetime of the battery. Copper (cathode) 1 Cule 2 Na Voltmeter 0.76 V Sat bodge Cu²+2 Cu(s) +0.34 V Cu Zn(a) $0,2 Zn²+ 2n a. Modify your device to operate at a lower voltage. b. Increase the concentration of CuSO4 in the electrolyte. c. Increase the size of the Zn anode. Zine (anode) Zn(s) 2²2 +0.76 V Zn²+ Cu(a)
10. Consider the battery below containing 1M CuSO4 and 1MZnSO4 which is capable delivering a voltage of 1.104 V. You need this voltage to operate your device. Eventually the battery will stop functioning as the voltage will drops to near zero. What can you do to extend the lifetime of the battery. Copper (cathode) 1 Cule 2 Na Voltmeter 0.76 V Sat bodge Cu²+2 Cu(s) +0.34 V Cu Zn(a) $0,2 Zn²+ 2n a. Modify your device to operate at a lower voltage. b. Increase the concentration of CuSO4 in the electrolyte. c. Increase the size of the Zn anode. Zine (anode) Zn(s) 2²2 +0.76 V Zn²+ Cu(a)
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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![**Transcription for Educational Website**
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**9.** Consider the reduction of \(10^{-3}\) mole/cm\(^3\) Cu\(^{2+}\) to Cu\(^+\) which has a diffusion limited current density of \(-9.2\) mA/cm\(^2\), for a diffusion boundary layer thickness of \(10^{-2}\) cm and an electrolyte diffusivity, \(D\), of Cu\(^{2+}\) of \(1 \times 10^{-6}\) cm\(^2\)/s. Determine the diffusion overvoltage at a current density of \(-4.6\) mA/cm\(^2\).
a. \(-1.78\) V
b. \(-0.178\) V
c. \(-0.0178\) V
d. \(-0.0018\) V
---
**10.** Consider the battery below containing 1M CuSO\(_4\) and 1M ZnSO\(_4\) which is capable of delivering a voltage of 1.104 V. You need this voltage to operate your device. Eventually, the battery will stop functioning as the voltage will drop to near zero. What can you do to extend the lifetime of the battery?
![Diagram of electrochemical cell]
- **Copper (cathode) and Zinc (anode)**: The diagram illustrates a voltaic cell where copper and zinc electrodes are immersed in their respective sulfate solutions (CuSO\(_4\) and ZnSO\(_4\)).
- **Battery Voltage**: The voltmeter indicates a total voltage of +1.10 V, with the copper side at +0.34 V and the zinc side at +0.76 V.
- **Flow of ions**: Electrons flow from the zinc anode, where oxidation occurs, to the copper cathode, where reduction occurs.
---
**Options to Extend Battery Life:**
a. Modify your device to operate at a lower voltage.
b. Increase the concentration of CuSO\(_4\) in the electrolyte.
c. Increase the size of the Zn anode.
---](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F114e61d5-f1bc-4a90-80d0-667f2c4451e7%2Fd726dacd-4987-4df6-a598-c37b0e6fed80%2F7vbtdqf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Transcription for Educational Website**
---
**9.** Consider the reduction of \(10^{-3}\) mole/cm\(^3\) Cu\(^{2+}\) to Cu\(^+\) which has a diffusion limited current density of \(-9.2\) mA/cm\(^2\), for a diffusion boundary layer thickness of \(10^{-2}\) cm and an electrolyte diffusivity, \(D\), of Cu\(^{2+}\) of \(1 \times 10^{-6}\) cm\(^2\)/s. Determine the diffusion overvoltage at a current density of \(-4.6\) mA/cm\(^2\).
a. \(-1.78\) V
b. \(-0.178\) V
c. \(-0.0178\) V
d. \(-0.0018\) V
---
**10.** Consider the battery below containing 1M CuSO\(_4\) and 1M ZnSO\(_4\) which is capable of delivering a voltage of 1.104 V. You need this voltage to operate your device. Eventually, the battery will stop functioning as the voltage will drop to near zero. What can you do to extend the lifetime of the battery?
![Diagram of electrochemical cell]
- **Copper (cathode) and Zinc (anode)**: The diagram illustrates a voltaic cell where copper and zinc electrodes are immersed in their respective sulfate solutions (CuSO\(_4\) and ZnSO\(_4\)).
- **Battery Voltage**: The voltmeter indicates a total voltage of +1.10 V, with the copper side at +0.34 V and the zinc side at +0.76 V.
- **Flow of ions**: Electrons flow from the zinc anode, where oxidation occurs, to the copper cathode, where reduction occurs.
---
**Options to Extend Battery Life:**
a. Modify your device to operate at a lower voltage.
b. Increase the concentration of CuSO\(_4\) in the electrolyte.
c. Increase the size of the Zn anode.
---
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