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Set 1 7 Electrochemical Potential And Free Energy

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Question 1

(Multiple Choice)

Free
The term in the electrochem ical potential that describes the concentration work is

A) µ0
B) RT ln C
C) RTC
D) z ψ\Im \psi
E) -D \partial C/ \partial x

Answer

Question 2

(Multiple Choice)

Free
At equilibrium

A) \triangle G = 0
B) \triangle G < 0
C) \triangle G = RT ln Keq
D) \triangle µ = RT ln C
E) Both A and C are correct

Answer

Question 3

(Multiple Choice)

Free
At 1 atm pressure, the electrochemical potential, of a solute in solution, :

A) Is the Gibbs Free energy per molecule
B) = RT ln C + z \Im ψ\psi (where R is the gas constant, T is temperature, T is the Faraday and R is the electrical potential)
C) =μ+RTlnC+zIΨ =\mu^{\circ}+\mathbf{R T} \ln \mathbf{C}+\mathbf{z} \mathfrak{I} \Psi
D) Is zero at equilibrium
E) Both A and C are correct

Answer