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Chemistry
Chemistry
Problem
Consider the equilibrium reaction
2
NO
2
(
g
)
⇌
N
2
O
4
(
g
)
.
2\,\text{NO}_2(g) \rightleftharpoons \text{N}_2\text{O}_4(g).
2
NO
2
(
g
)
⇌
N
2
O
4
(
g
)
.
Which of the following expressions represents the equilibrium constant
K
c
K_c
K
c
for this reaction? a)
K
c
=
[
NO
2
]
2
[
N
2
O
4
]
K_c=\dfrac{[\text{NO}_2]^2}{[\text{N}_2\text{O}_4]}
K
c
=
[
N
2
O
4
]
[
NO
2
]
2
b)
K
c
=
[
N
2
O
4
]
2
[
NO
2
]
K_c=\dfrac{[\text{N}_2\text{O}_4]}{2[\text{NO}_2]}
K
c
=
2
[
NO
2
]
[
N
2
O
4
]
c)
K
c
=
[
N
2
O
4
]
[
NO
2
]
2
K_c=\dfrac{[\text{N}_2\text{O}_4]}{[\text{NO}_2]^2}
K
c
=
[
NO
2
]
2
[
N
2
O
4
]
d)
K
c
=
[
N
2
O
4
]
[
NO
2
]
K_c=\dfrac{[\text{N}_2\text{O}_4]}{[\text{NO}_2]}
K
c
=
[
NO
2
]
[
N
2
O
4
]
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