Calculating Equilibrium Concentrations
AP Chemistry · Flashcards · Recall
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the effect of a catalyst on the equilibrium constant
K
K
K
?
QUESTION
State the effect of adding a reactant on the equilibrium position.
QUESTION
For the reaction
C
H
4
(
g
)
+
2
O
2
(
g
)
⇌
C
O
2
(
g
)
+
2
H
2
O
(
g
)
CH_4(g) + 2O_2(g) \rightleftharpoons CO_2(g) + 2H_2O(g)
C
H
4
(
g
)
+
2
O
2
(
g
)
⇌
C
O
2
(
g
)
+
2
H
2
O
(
g
)
, write the
K
c
K_c
K
c
expression.
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ANSWER
K
c
=
[
C
O
2
]
[
H
2
O
]
2
[
C
H
4
]
[
O
2
]
2
K_c = \frac{[CO_2][H_2O]^2}{[CH_4][O_2]^2}
K
c
=
[
C
H
4
]
[
O
2
]
2
[
C
O
2
]
[
H
2
O
]
2
. Products over reactants, each raised to their stoichiometric coefficients.
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