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Chemistry
Chemistry
Problem
Calculate
Δ
G
⊖
\Delta G^\ominus
Δ
G
⊖
for the reaction:
2
Al
(
s
)
+
Fe
2
O
3
(
s
)
→
2
Fe
(
s
)
+
Al
2
O
3
(
s
)
2\text{Al}(\text{s}) + \text{Fe}_2\text{O}_3(\text{s}) \rightarrow 2\text{Fe}(\text{s}) + \text{Al}_2\text{O}_3(\text{s})
2
Al
(
s
)
+
Fe
2
O
3
(
s
)
→
2
Fe
(
s
)
+
Al
2
O
3
(
s
)
from the following data.
Compound
Δ
G
f
⊖
/
kJ mol
−
1
\Delta G_f^\ominus / \text{kJ mol}^{-1}
Δ
G
f
⊖
/
kJ mol
−
1
Fe
2
O
3
(
s
)
\text{Fe}_2\text{O}_3(\text{s})
Fe
2
O
3
(
s
)
-742
Al
2
O
3
(
s
)
\text{Al}_2\text{O}_3(\text{s})
Al
2
O
3
(
s
)
-1582
Comment on the significance of the value obtained.
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