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Chemistry
Chemistry
Problem
Determine the entropy change for the reaction given below;
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
l
)
2\text{H}_2(\text{g}) + \text{O}_2(\text{g}) \longrightarrow 2\text{H}_2\text{O}(\text{l})
2
H
2
(
g
)
+
O
2
(
g
)
⟶
2
H
2
O
(
l
)
at 300 K. If standard entropies of
H
2
(
g
)
\text{H}_2(\text{g})
H
2
(
g
)
,
O
2
(
g
)
\text{O}_2(\text{g})
O
2
(
g
)
and
H
2
O
(
l
)
\text{H}_2\text{O}(\text{l})
H
2
O
(
l
)
are 126.6, 201.20 and
68.0
J K
−
1
mol
−
1
68.0 \text{ J K}^{-1} \text{ mol}^{-1}
68.0
J K
−
1
mol
−
1
respectively.
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