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The standard heats of formation for ,
CHEMISTRY · Subjective · A Level · Chemistry · Energetics · Energetics
Problem
The standard heats of formation for
C
C
l
4
(
g
)
CCl_4(g)
C
C
l
4
(
g
)
,
H
2
O
(
g
)
H_2O(g)
H
2
O
(
g
)
,
C
O
2
(
g
)
CO_2(g)
C
O
2
(
g
)
and
H
C
l
(
g
)
HCl(g)
H
C
l
(
g
)
are
−
25.5
-25.5
−
25.5
,
−
57.8
-57.8
−
57.8
,
−
94.1
-94.1
−
94.1
and
−
22.1
-22.1
−
22.1
kcal respectively. Calculate
Δ
H
(
298
)
\Delta H_{(298)}
Δ
H
(
298
)
for the reaction,
C
C
l
4
(
g
)
+
2
H
2
O
(
g
)
⟶
C
O
2
(
g
)
+
4
H
C
l
(
g
)
CCl_4(g) + 2H_2O(g) \longrightarrow CO_2(g) + 4HCl(g)
C
C
l
4
(
g
)
+
2
H
2
O
(
g
)
⟶
C
O
2
(
g
)
+
4
H
C
l
(
g
)
Related theory
Thermodynamics
Types of enthalpy
Enthalpy Changes of Reactions
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