Questions 14-16 are for the following redox reaction: 2 Au³* + 3 Ni(OH)2 + 6 OH →2 Au + 3 NiO2 + 6 H₂O Question 14: The cathode reaction would be: Ni(OH)2+2 OH --> NiO2 + 2 H2O + 2e NiO2 + 2 H2O + 2e--> Ni(OH)2 + 2 OH Au --> Au³+ + 3 e Au3+ +3 e3 Au Check Reuse <> Embed Question 15: The anode reaction would be: Au3+ +3 e3 Au NiO2 + 2 H2O + 2e-> Ni(OH)2+2 OH O Ni(OH)2 + 2 OH --> NiO2 + 2 H2O + 2e Au --> Au³+ + 3 e Check Reuse <> Embed Question 16: Calculate the standard cell potential in volts. Report to the correct number of significant figures: Check V Reuse <> Embed H-P H-P H-P

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 18.60QE
Question

Chem Q14

Questions 14-16 are for the following redox reaction:
2 Au³* + 3 Ni(OH)2 + 6 OH →2 Au + 3 NiO2 + 6 H₂O
Question 14:
The cathode reaction would be:
Ni(OH)2+2 OH --> NiO2 + 2 H2O + 2e
NiO2 + 2 H2O + 2e--> Ni(OH)2 + 2 OH
Au --> Au³+ + 3 e
Au3+ +3 e3 Au
Check
Reuse <> Embed
Question 15:
The anode reaction would be:
Au3+ +3 e3 Au
NiO2 + 2 H2O + 2e-> Ni(OH)2+2 OH
O Ni(OH)2 + 2 OH --> NiO2 + 2 H2O + 2e
Au --> Au³+ + 3 e
Check
Reuse <> Embed
Question 16:
Calculate the standard cell potential in volts. Report to the correct number of significant figures:
Check
V
Reuse <> Embed
H-P
H-P
H-P
Transcribed Image Text:Questions 14-16 are for the following redox reaction: 2 Au³* + 3 Ni(OH)2 + 6 OH →2 Au + 3 NiO2 + 6 H₂O Question 14: The cathode reaction would be: Ni(OH)2+2 OH --> NiO2 + 2 H2O + 2e NiO2 + 2 H2O + 2e--> Ni(OH)2 + 2 OH Au --> Au³+ + 3 e Au3+ +3 e3 Au Check Reuse <> Embed Question 15: The anode reaction would be: Au3+ +3 e3 Au NiO2 + 2 H2O + 2e-> Ni(OH)2+2 OH O Ni(OH)2 + 2 OH --> NiO2 + 2 H2O + 2e Au --> Au³+ + 3 e Check Reuse <> Embed Question 16: Calculate the standard cell potential in volts. Report to the correct number of significant figures: Check V Reuse <> Embed H-P H-P H-P
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