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Chemistry
Chemistry
Problem
Aluminium displaces
Cr
3
+
(
aq
)
\text{Cr}^{3+}(\text{aq})
Cr
3
+
(
aq
)
from aqueous solution.
Al
(
s
)
+
Cr
3
+
(
aq
)
→
Al
3
+
(
aq
)
+
Cr
(
s
)
\text{Al}(\text{s}) + \text{Cr}^{3+}(\text{aq}) \rightarrow \text{Al}^{3+}(\text{aq}) + \text{Cr}(\text{s})
Al
(
s
)
+
Cr
3
+
(
aq
)
→
Al
3
+
(
aq
)
+
Cr
(
s
)
The standard electrode potential for the reaction is 0.92 V at 298 K. Determine the standard Gibbs energy change for this reaction.
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