The task is to identify and correct the unbalanced chemical equations in the provided list. Here is the corrected list with balanced equations:
1. 2Sb + 3Cl₂ → 2SbCl₃ (Already balanced)
2. 2Mg + O₂ → 2MgO (Already balanced)
3. N₂ + 3H₂ → 2NH₃ (Already balanced)
4. Sn + 2Cl₂ → SnCl₄ (Already balanced)
5. CH₄ + 2O₂ → CO₂ + 2H₂O (Already balanced)
6. 5O₂ + C₃H₈ → 4H₂O + 3CO₂ (Already balanced)
7. 2C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O (Already balanced)
8. 7O₂ + 2C₂H₆ → 6H₂O + 4CO₂ (Already balanced)
9. CaCl₂ → Ca + Cl₂ (Balanced)
10. Mg₃N₂ → 3Mg + N₂ (Balanced)
11. 2HgO → 2Hg + O₂ (Balanced)
12. P₄O₆ → 4P + 3O₂ (Balanced)
13. Fe + 2HCl → FeCl₂ + H₂ (Already balanced)
14. MgBr₂ + Cl₂ → MgCl₂ + Br₂ (Already balanced)
15. SnO₂ + 2C → Sn + 2CO (Already balanced)
16. 2NaBr + Cl₂ → 2NaCl + Br₂ (Already balanced)
17. 2NaBr + CaF₂ → 2NaF + CaBr₂ (Already balanced)
18. CuCl₂ + H₂S → CuS + 2HCl (Already balanced)
19. Ag₂S + CuCl₂ → 2AgCl + CuS (Already balanced)
20. CuS + 2KCl → CuCl₂ + K₂S (Balanced)
All equations are already balanced as written.
Parent Tip: Review the logic above to help your child master the concept of classification of chemical reactions worksheet.
