P+O2= Co2+H2O= NA2Co3+CaCL2= C+O2= Cl2+H2+ So3+H2O

Question

P+O2=
Co2+H2O=
NA2Co3+CaCL2=
C+O2=
Cl2+H2+
So3+H2O

Answer 1

4P + 5O₂ = 2P₂O₅
CO₂ + H₂O = H₂CO₃
C + O₂ = CO₂
Cl₂ + H₂ = 2HCl
SO₃ + H₂O = H₂SO₄
Na₂CO₃ + CaCl₂ = CaCO₃ + 2NaCl