A. Balanced Chemical Reactions:
1) 2 NaBr + Ca(OH)₂ → CaBr₂ + 2 NaOH
2) N₂ + 3 H₂ → 2 NH₃
3) 2 NaCl + F₂ → 2 NaF + Cl₂
4) Pb(OH)₂ + 2 HCl → PbCl₂ + 2 H₂O
5) CH₄ + 2 O₂ → CO₂ + 2 H₂O
6) 3 H₂SO₄ + 2 B(OH)₃ → B₂(SO₄)₃ + 6 H₂O
7) C₅H₉O + 7 O₂ → 5 CO₂ + 4.5 H₂O (or 2 C₅H₉O + 14 O₂ → 10 CO₂ + 9 H₂O)
8) Li₃N + 3 NH₄NO₃ → 3 LiNO₃ + (NH₄)₃N
9) 3 HBr + Al(OH)₃ → AlBr₃ + 3 H₂O
10) 3 Pb + 2 H₃PO₄ → Pb₃(PO₄)₂ + 3 H₂
B. Reaction Types:
1) Double-replacement
2) Single-replacement
3) Double-replacement
4) Single-replacement
5) Synthesis
Parent Tip: Review the logic above to help your child master the concept of chemical equations and reactions worksheet.