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Chemistry
Chemistry
Problem
The gaseous reaction
X
(
g
)
⇌
Y
(
g
)
\mathrm{X(g) \rightleftharpoons Y(g)}
X
(
g
)
⇌
Y
(
g
)
has
Δ
H
∘
=
+
45
kJ
mol
−
1
\Delta H^\circ = +45\,\text{kJ\,mol}^{-1}
Δ
H
∘
=
+
45
kJ
mol
−
1
. Rank the magnitude of the equilibrium constant
K
K
K
at 200 K, 298 K, and 400 K from smallest to largest, and justify your ranking in one sentence.
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