Worksheet on identifying and balancing chemical reactions, including synthesis, decomposition, single replacement, double replacement, and combustion.

1) 2 K + 1 Cl₂ → 2 KCl Type of Reaction: S
2) 2 NH₃ → 1 N₂ + 3 H₂ Type of Reaction: D
3) 2 NaF + 1 Br₂ → 2 NaBr + 1 F₂ Type of Reaction: SR
4) 1 SO₂ + 1 Li₂Se → 1 SSe₂ + 1 Li₂O Type of Reaction: DR
5) 2 PbSO₄ → 2 PbSO₃ + 1 O₂ Type of Reaction: D
6) 2 Al + 1 Fe₂O₃ → 2 Fe + 1 Al₂O₃ Type of Reaction: SR
7) 1 SF₆ → 1 S + 3 F₂ Type of Reaction: D
8) 1 C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O Type of Reaction: C
9) 2 KClO₃ → 2 KCl + 3 O₂ Type of Reaction: D
10) 1 Pb(NO₃)₂ + 2 NaCl → 2 NaNO₃ + 1 PbCl₂ Type of Reaction: DR
11) Synthesis (S)
12) CO + O₂ → CO₂
13) 2 CO + 1 O₂ → 2 CO₂