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 convertedto Cu(NH₂)2+ ion. The cell voltage, E increases to 0.96 V and the copper electrode is stillnegative. Find the concentration of Cu²+ ion in the cell (use Equation (8)). Show your calcula-tions.cell8. In question 7 the [Cu(NH,),2] is about 0.01 M and [NH,] is about 3 M. Given these valuesand [Cu²+] from question 7, determine K for the following reaction. Show your calculations.Cu(NH₂),Cu²+(aq)Lag)+ 6 NHMK=

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Answered: 5. If E. equals 0.80 V, what is E

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Chemistry

5. If E. equals 0.80 V, what is E

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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Concept explainers

Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.

Question

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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