Cell Potential Under Nonstandard Conditions
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
State the formula for the cell potential under nonstandard conditions (Nernst equation).
QUESTION
State the relationship between
E
∘
E^\circ
E
∘
and the equilibrium constant
K
K
K
at
25
∘
C
25^\circ\text{C}
2
5
∘
C
.
QUESTION
Identify the condition on
Q
Q
Q
when
E
=
E
∘
E=E^\circ
E
=
E
∘
at a fixed temperature.
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ANSWER
Q
=
1
Q=1
Q
=
1
. When all species at unit activity,
ln
(
1
)
=
0
\ln(1)=0
ln
(
1
)
=
0
.
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