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Chemistry
Chemistry
Problem
For the equilibrium reaction
N
2
(
g
)
+
3
H
2
(
g
)
↔
2
N
H
3
(
g
)
N_2(g)+3H_2(g)\leftrightarrow2NH_3(g)
N
2
(
g
)
+
3
H
2
(
g
)
↔
2
N
H
3
(
g
)
with
Δ
H
=
−
92
kJ mol
−
1
\Delta H=-92\,\text{kJ mol}^{-1}
Δ
H
=
−
92
kJ mol
−
1
, explain why lowering the temperature increases the equilibrium mole fraction of
N
H
3
NH_3
N
H
3
even though the overall reaction rate decreases.
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