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2010-01-09T18:36:47+01:00
2Mg +O₂=2MgO
4Cu + O₂=2Cu₂O
4P + 5O₂= 2p₂O₅
C+O₂= CO₂
4Na+O₂=2Na₂O
2Ca +O₂=2CaO
4Au +5O₂= 2Au₂O₅
2S +3O₂= 2SO₃
2010-01-09T18:42:10+01:00
2Mg+O₂=2MgO
4Cu+O₂=2Cu₂O
4P+5O₂=2P₂O₅
2C+3O₂=2CO3
4Na+O₂=2Na₂O
2Ca+O₂=2CaO
4Au+5O₂=2Au₂O₅
2S+3O₂=2SO₃