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Types of Reactions - Classification of Chemical Reactions - CLEAR ... - Free Printable

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- The chemical equation shown is unbalanced.
- To balance it, count the atoms of each element on both sides.
- Left side: 1 C, 4 H, 2 O.
- Right side: 1 C, 2 H, 3 O.
- Add coefficient 2 before H₂O to balance hydrogen: CH₄ + O₂ → 2H₂O + CO₂.
- Now right side has 4 H and 4 O; left has 4 H but only 2 O.
- Add coefficient 2 before O₂ to balance oxygen: CH₄ + 2O₂ → 2H₂O + CO₂.
- Final balanced equation: CH₄ + 2O₂ → 2H₂O + CO₂.

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