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Chemistry
Chemistry
Problem
The surface oxidation of metals is often known as corrosion. What are some of the consequences of this process? The electrons released reduce dissolved oxygen molecules to form hydroxide ions, OH
-
(aq):
O
2
(
g
)
+
2
H
2
O
(
l
)
+
4
e
−
→
4
OH
−
(
aq
)
\text{O}_2(\text{g}) + 2\text{H}_2\text{O}(\text{l}) + 4\text{e}^- \rightarrow 4\text{OH}^-(\text{aq})
O
2
(
g
)
+
2
H
2
O
(
l
)
+
4
e
−
→
4
OH
−
(
aq
)
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