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Chemistry
Chemistry
Problem
Given the following half-reactions in acidic solution: (i)
S
n
2
+
→
S
n
4
+
+
2
e
−
Sn^{2+} \to Sn^{4+} + 2e^{-}
S
n
2
+
→
S
n
4
+
+
2
e
−
(ii)
2
e
−
+
4
H
+
+
O
2
→
2
H
2
O
2e^{-} + 4H^{+} + O_{2} \to 2H_{2}O
2
e
−
+
4
H
+
+
O
2
→
2
H
2
O
Write the balanced overall chemical equation for the redox reaction that occurs when these two half-reactions are combined.
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