A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 °C. The initial concentrations of Ni²+ and Zn2+ are 1.30 mol L-1 and 0.110 mol L-1, respectively. Zn2+(aq) + 2eZn(s) E° = -0.76 V Ni2+(aq) + 2e Ni(s) E° = -0.23 V What is the cell potential when the concentration of Ni²+ has fallen to 0.600 mol L-¹? Express your answer to two decimal places and include the appropriate units. Ecall 0.50 A V ? Submit Previous Answers Request Answer * Incorrect; Try Again; One attempt remaining Part C What are the concentrations of Ni²+ and Zn2+ when the cell potential falls to 0.46 V? Express your answers using two significant figures separated by a comma. ΜΕ ΑΣΦ [Ni²+], [Zn²+] = Submit Request Answer ? mol L-1
A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 °C. The initial concentrations of Ni²+ and Zn2+ are 1.30 mol L-1 and 0.110 mol L-1, respectively. Zn2+(aq) + 2eZn(s) E° = -0.76 V Ni2+(aq) + 2e Ni(s) E° = -0.23 V What is the cell potential when the concentration of Ni²+ has fallen to 0.600 mol L-¹? Express your answer to two decimal places and include the appropriate units. Ecall 0.50 A V ? Submit Previous Answers Request Answer * Incorrect; Try Again; One attempt remaining Part C What are the concentrations of Ni²+ and Zn2+ when the cell potential falls to 0.46 V? Express your answers using two significant figures separated by a comma. ΜΕ ΑΣΦ [Ni²+], [Zn²+] = Submit Request Answer ? mol L-1
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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Paylben
![A voltaic cell consists of a Zn/Zn2+ half-cell and a
Ni/Ni2+ half-cell at 25 °C. The initial concentrations
of Ni²+ and Zn2+ are 1.30 mol L-1 and 0.110
mol L-1, respectively.
Zn2+(aq) + 2eZn(s) E° = -0.76 V
Ni2+(aq) + 2e Ni(s) E° = -0.23 V
What is the cell potential when the concentration of Ni²+ has fallen to 0.600 mol L-¹?
Express your answer to two decimal places and include the appropriate units.
Ecall 0.50
A
V
?
Submit Previous Answers Request Answer
* Incorrect; Try Again; One attempt remaining
Part C
What are the concentrations of Ni²+ and Zn2+ when the cell potential falls to 0.46 V?
Express your answers using two significant figures separated by a comma.
ΜΕ ΑΣΦ
[Ni²+], [Zn²+] =
Submit
Request Answer
?
mol L-1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7e6f5c55-15b8-46cc-a137-3a258cc7e924%2F00f4ebdb-b9bf-4ce0-aed0-f654f2af4fe0%2Fcx0cxt_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A voltaic cell consists of a Zn/Zn2+ half-cell and a
Ni/Ni2+ half-cell at 25 °C. The initial concentrations
of Ni²+ and Zn2+ are 1.30 mol L-1 and 0.110
mol L-1, respectively.
Zn2+(aq) + 2eZn(s) E° = -0.76 V
Ni2+(aq) + 2e Ni(s) E° = -0.23 V
What is the cell potential when the concentration of Ni²+ has fallen to 0.600 mol L-¹?
Express your answer to two decimal places and include the appropriate units.
Ecall 0.50
A
V
?
Submit Previous Answers Request Answer
* Incorrect; Try Again; One attempt remaining
Part C
What are the concentrations of Ni²+ and Zn2+ when the cell potential falls to 0.46 V?
Express your answers using two significant figures separated by a comma.
ΜΕ ΑΣΦ
[Ni²+], [Zn²+] =
Submit
Request Answer
?
mol L-1
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