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Chemistry
Chemistry
Problem
For the 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
)
,
Δ
G
∘
\Delta G^{\circ}
Δ
G
∘
at
298
K
298\,\text{K}
298
K
is
+
17.1
kJ
mol
−
1
+17.1\,\text{kJ}\,\text{mol}^{-1}
+
17.1
kJ
mol
−
1
. Using
R
=
8.314
J
mol
−
1
K
−
1
R = 8.314\,\text{J}\,\text{mol}^{-1}\,\text{K}^{-1}
R
=
8.314
J
mol
−
1
K
−
1
, what is the value of the equilibrium constant
K
K
K
at
298
K
298\,\text{K}
298
K
? a)
7.4
×
10
0
7.4 \times 10^{0}
7.4
×
1
0
0
b)
1.0
×
10
−
3
1.0 \times 10^{-3}
1.0
×
1
0
−
3
c)
1.5
×
10
3
1.5 \times 10^{3}
1.5
×
1
0
3
d)
3.3
×
10
−
2
3.3 \times 10^{-2}
3.3
×
1
0
−
2
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