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A voltaic cell employs the following redox reaction: PbO2 (s) + NO (g) → Pb2+ (aq) + NO3− (aq)  a) Balance the above reaction in acidic solution. b) Draw a diagram of the voltaic cell. Label the PbO2, NO, Pb2+, and NO3−. Indicate the direction of electron flow and the direction of anion and cation flow from the salt bridge. c) The PbO2/ Pb2+ half-reaction has a standard reduction potential (E°) of 1.46 V and the NO3-/ NO half-reaction has a standard reduction potential (E°) of 0.96 V. Calculate the potential of the cell at 25 °C under the following conditions: PNO 0.950 atm [Pb2+] 0.0500 M [NO3−] 0.0620 M pH 4.67

A voltaic cell employs the following redox reaction: PbO2 (s) + NO (g) → Pb2+ (aq) + NO3− (aq)  a) Balance the above reaction in acidic solution. b) Draw a diagram of the voltaic cell. Label the PbO2, NO, Pb2+, and NO3−. Indicate the direction of electron flow and the direction of anion and cation flow from the salt bridge. c) The PbO2/ Pb2+ half-reaction has a standard reduction potential (E°) of 1.46 V and the NO3-/ NO half-reaction has a standard reduction potential (E°) of 0.96 V. Calculate the potential of the cell at 25 °C under the following conditions: PNO 0.950 atm [Pb2+] 0.0500 M [NO3−] 0.0620 M pH 4.67

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.49QE: A half-cell that consists of a copper wire in a 1.00 M Cu(NO3)2 solution is connected by a salt...
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 A voltaic cell employs the following redox reaction:

PbO2 (s) + NO (g) → Pb2+ (aq) + NO3− (aq) 

a) Balance the above reaction in acidic solution.

b) Draw a diagram of the voltaic cell. Label the PbO2, NO, Pb2+, and NO3−. Indicate the direction of electron flow and the direction of anion and cation flow from the salt bridge.

c) The PbO2/ Pb2+ half-reaction has a standard reduction potential (E°) of 1.46 V and the NO3-/ NO half-reaction has a standard reduction potential (E°) of 0.96 V. Calculate the potential of the cell at 25 °C under the following conditions:

PNO

0.950 atm

[Pb2+]

0.0500 M

[NO3−]

0.0620 M

pH

4.67
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