College Chemistry Quiz
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CHEMICAL EQUILIBRIUM
Question 1
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Consider the equilibrium
2
N
O
2
(
g
)
⇌
N
2
O
4
(
g
)
2NO_2(g) \rightleftharpoons N_2O_4(g)
2
N
O
2
(
g
)
⇌
N
2
O
4
(
g
)
. The equilibrium constant expression for this reaction is:
A
K
c
=
[
N
O
2
]
2
[
N
2
O
4
]
K_c = \frac{[NO_2]^2}{[N_2O_4]}
K
c
=
[
N
2
O
4
]
[
N
O
2
]
2
B
K
c
=
[
N
2
O
4
]
[
N
O
2
]
2
K_c = \frac{[N_2O_4]}{[NO_2]^2}
K
c
=
[
N
O
2
]
2
[
N
2
O
4
]
C
K
c
=
[
N
2
O
4
]
2
[
N
O
2
]
K_c = \frac{[N_2O_4]^2}{[NO_2]}
K
c
=
[
N
O
2
]
[
N
2
O
4
]
2
D
K
c
=
[
N
O
2
]
[
N
2
O
4
]
2
K_c = \frac{[NO_2]}{[N_2O_4]^2}
K
c
=
[
N
2
O
4
]
2
[
N
O
2
]
E
K
c
=
[
N
2
O
4
]
−
2
[
N
O
2
]
K_c = [N_2O_4] - 2[NO_2]
K
c
=
[
N
2
O
4
]
−
2
[
N
O
2
]
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