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Chemistry
Chemistry
Problem
The difference between heats of reaction at constant pressure and constant volume for the reaction:
2
C
6
H
6
(
l
)
+
15
O
2
(
g
)
→
12
C
O
2
(
g
)
+
6
H
2
O
(
l
)
2C_6H_6(l) + 15O_{2(g)} \to 12CO_{2(g)} + 6H_2O(l)
2
C
6
H
6
(
l
)
+
15
O
2
(
g
)
→
12
C
O
2
(
g
)
+
6
H
2
O
(
l
)
at
25
∘
C
25^\circ C
2
5
∘
C
in kJ is: a.
−
7.43
-7.43
−
7.43
b.
+
3.72
+3.72
+
3.72
c.
−
3.72
-3.72
−
3.72
d.
+
7.43
+7.43
+
7.43
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