General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.140QP
Related questions
Question
3
![5. If E A equals 0.80 V, what is E?
6. Write the net ionic equation for the reaction that occurs in the cell studied by the student:
7. The student adds 6 M NH, to the CuSO, solution until the Cu²+ ion is essentially all converted
to Cu(NH₂)2+ ion. The cell voltage, E increases to 0.96 V and the copper electrode is still
negative. Find the concentration of Cu²+ ion in the cell (use Equation (8)). Show your calcula-
tions.
cell
8. In question 7 the [Cu(NH,),2] is about 0.01 M and [NH,] is about 3 M. Given these values
and [Cu²+] from question 7, determine K for the following reaction. Show your calculations.
Cu(NH₂),
Cu²+
(aq)
Lag)
+ 6 NH
M
K=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5555cea9-8fdc-4824-a42a-0e8e4ce7ebd7%2Ffba54716-0fc5-432b-b3f7-c56552845a0a%2Fkefppzp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:5. If E A equals 0.80 V, what is E?
6. Write the net ionic equation for the reaction that occurs in the cell studied by the student:
7. The student adds 6 M NH, to the CuSO, solution until the Cu²+ ion is essentially all converted
to Cu(NH₂)2+ ion. The cell voltage, E increases to 0.96 V and the copper electrode is still
negative. Find the concentration of Cu²+ ion in the cell (use Equation (8)). Show your calcula-
tions.
cell
8. In question 7 the [Cu(NH,),2] is about 0.01 M and [NH,] is about 3 M. Given these values
and [Cu²+] from question 7, determine K for the following reaction. Show your calculations.
Cu(NH₂),
Cu²+
(aq)
Lag)
+ 6 NH
M
K=
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