Question

Ионные уравнения реакций составить:
CaO + HCl =
P + O₂ =
BaCi₂ + H₂SO₄ =
NaOH + H₂SO₄ =

Answer 1

CaO + 2HCl =CaCl2+H2O
Ca+O+2H+2Cl=Ca+2Cl+H2O
O+2H=H2O

4P+5O2=Ионное не пойдет

BaCl2 + H2SO4 =BaSO4 + 2HCl
Ba+2Cl+2H+SO4= BaSO4+2H+2Cl
Ba+SO4= BaSO4

2NaOH + H2SO4 = Na2SO4 + 2H2O
2Na+2OH+2H+SO4=2Na+SO4+2H2O
2OH+2H=2H2O

Answer 2

CaO + HCl =CaCl2+H2O

Answer 3

P + O₂ = 2P2O5 ?