Cu(OH)₂ = CuO + H₂O
2Ca + O₂ = 2CaO
2HgO = 2Hg + O₂
4Al + 3O₂ = 2Al₂O₃
CaCO₃ = caO + CO₂
4P + 5O₂ = 2P₂O₅
Cu(OH)₂ = CuO + H₂O
2Ca + O₂ = 2CaO
2HgO = 2Hg + O₂
4Al + 3O₂ = 2Al₂O₃
CaCO₃ = caO + CO₂
4P + 5O₂ = 2P₂O₅