Page 864 - Chemistry--atom first
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854 Chapter 16 | Electrochemistry
Collecting what we have so far:
In this case, both half reactions involve the same number of electrons; therefore, simply add the two half- reactions together.
Checking each side of the equation:
This is the balanced equation in acidic solution. For a basic solution, add one hydroxide ion to each side and simplify:
Checking each side of the equation:
This is the balanced equation in basic solution.
Check Your Learning
Balance the following in the type of solution indicated. (a)
(b)
(c)
(d) Identify the oxidizing agents in reactions (a), (b), and (c). (e) Identify the reducing agents in reactions (a), (b), and (c).
Answer: (a) (b) (c) (d) oxidizing agent = species reduced: Cu2+, Cu(OH)2, Ag+ (e) reducing agent = species oxidized: H2, H2, Fe.
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