How to Balance Half Reactions @wbreslyn
How to Balance Half Reactions  @wbreslyn
Uploaded February 2024 | Updated September 2026, 2 weeks ago
The third video in a series of understanding redox reactions and how to balance Redox Equations. Having mastered the identification of oxidation numbers and the art of writing half-reactions in the previous two videos, you're now ready to balance half reactions..

Redox Guides, Videos, and Practice at Breslyn.org/redox

For the full series see: youtube.com/playlist?list=PLZR1BGWBaZ1zRyFkJBAQo3kV1S5G2lohA

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Balancing half-reactions is a step-by-step, methodical procedure. We break down the process into manageable sub-steps, to provide clarity and practice.

Addition of Water and H+: Recognize that water and hydrogen ions (H+) can be introduced during the balancing process. Given that most redox reactions occur in water, incorporating these elements is a common practice. In an acidic medium, the addition of H+ is also available. (You'll learn about balancing in basic medium later in the series).

Check Your Work!
Double-checking your balanced half-reaction is essential at this point. Ensure the equality of atoms and charges on each side. This step is quick, straightforward, and serves as a safeguard against potential errors. It's a quick step but it will save you an immense amount of time later.

While the process of balancing half reactions may seem time-consuming, carefully following the steps pays off in the long run. You'll make much smoother progress in the overall redox reaction.

Breslyn.org
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Wayne Breslyn (Dr. B.) |

How to Balance Half Reactions

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