C + O₂ ⟶ CO₂
H₂ + O₂ ⟶ H₂O
NaOH + HCl ⟶ NaCl + H₂O
Na₂CO₃ + HCl ⟶ NaCl + H₂O + CO₂
Na + H₂O ⟶ NaOH + H₂
Na + Cl₂ ⟶ NaCl
NaOH + H₂SO₄ ⟶ Na₂SO₄ + H₂O
N2 + H2 ⟶ NH3
Complete combustion of methane
CH4 + O2 ⟶ CO2 + H2O