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Chemistry
Chemistry
Problem
If heat of formation of
N
H
3
(
g
)
NH_3(g)
N
H
3
(
g
)
is
−
46
-46
−
46
kJ
m
o
l
−
1
mol^{-1}
m
o
l
−
1
, then
Δ
H
\Delta H
Δ
H
for the reaction:
2
N
H
3
⇌
N
2
+
3
H
2
2NH_3 \rightleftharpoons N_2 + 3H_2
2
N
H
3
⇌
N
2
+
3
H
2
is: a.
+
46
+46
+
46
kJ b.
+
92
+92
+
92
kJ c.
−
92
-92
−
92
kJ d. None of these
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