Practice Problem: Cell Potential, Equilibrium Constants, and Free Energy Change
Interactive Video
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Chemistry, Science, Physics
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11th Grade - University
•
Practice Problem
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reduction potential for silver plus ions?
0.447 volts
-0.7996 volts
0.7996 volts
-0.447 volts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the cell potential (Ecell) calculated?
E cathode plus E anode
E anode minus E cathode
E cathode minus E anode
E anode plus E cathode
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which substance is reduced at the cathode?
Solid silver
Iron ions
Silver ions
Solid iron
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equilibrium constant (K) for the given reaction?
1.247
42.1
10^42.1
1.34 * 10^42
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of electrons are transferred in the reaction?
One
Four
Three
Two
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Faraday's constant value used in the calculation?
42.1
240.6 kilojoules per mole
1.247 volts
96,485 joules per mole volts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard free energy change in kilojoules per mole?
240.6 kJ/mol
-2.406 kJ/mol
-240.6 kJ/mol
2.406 kJ/mol
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