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Chemistry
Chemistry
Problem
For which change,
Δ
H
≠
Δ
E
\Delta H \neq \Delta E
Δ
H
=
Δ
E
a.
H
2
+
I
2
→
2
H
I
H_2 + I_2 \to 2HI
H
2
+
I
2
→
2
H
I
b.
H
C
l
+
N
a
O
H
→
N
a
C
l
+
H
2
O
HCl + NaOH \to NaCl + H_2O
H
C
l
+
N
a
O
H
→
N
a
C
l
+
H
2
O
c.
C
(
s
)
+
O
2
(
g
)
→
C
O
2
(
g
)
C_{(s)} + O_{2(g)} \to CO_{2(g)}
C
(
s
)
+
O
2
(
g
)
→
C
O
2
(
g
)
d.
N
2
+
3
H
2
→
2
N
H
3
N_2 + 3H_2 \to 2NH_3
N
2
+
3
H
2
→
2
N
H
3
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