C 1.1.1 Atoms, Elements and Compounds - Balance the Equations

  • Created by: ksw1102
  • Created on: 11-06-18 16:30

1. KOH + CO₂ ➝ K₂CO₃ + H₂O

  • 2KOH + CO₂ ➝ K₂CO₃ + 2H₂O
  • 2KOH + CO₂ ➝ 2K₂CO₃ + H₂O
  • KOH + 2CO₂ ➝ K₂CO₃ + H₂O
  • KOH + 3CO₂ ➝ K₂CO₃ + 2H₂O
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2. N₂ + O₂ → NO₃

  • N₂ + 3O₂ → 2NO₃
  • 3N₂ + O₂ → 2NO₃
  • 2N₂ + 3O₂ → 2NO₃
  • N₂ + 3O₂ → 3NO₃

3. SiO₂ + C ➝ SiC + CO

  • SiO₂ + 3C ➝ SiC + 3CO
  • SiO₂ + 3C ➝ SiC + 2CO
  • 2SiO₂ + 3C ➝ SiC + 2CO
  • SiO₂ + C ➝ SiC + 2CO

4. N₂ + H₂ ➝ NH₃

  • 2N₂ + 3H₂ ➝ NH₃
  • 3N₂ + 3H₂ ➝ 2NH₃
  • N₂ + 3H₂ ➝ 2NH₃
  • 2N₂ + 3H₂ ➝ 2NH₃

5. H₂ + O₂ ➝ H₂O

  • 2H₂ + 2O₂ ➝ H₂O
  • 2H₂ + O₂ ➝ 2H₂O
  • H₂ + 2O₂ ➝ 2H₂O
  • 2H₂ + 2O₂ ➝ 4H₂O

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