Make up the formulas of oxides: a) carbon (3), silicon (4); b) phosphorus (3),

univerkov | January 17, 2021 | education

Make up the formulas of oxides: a) carbon (3), silicon (4); b) phosphorus (3), sulfur (4). Write the reaction equations for their formation from simple substances.

a) oxides: CO, CO2
2C + O2 = 2CO
C + O2 = CO2
b) oxide: SiO2
Si + O2 = SiO2
c) oxides: P2O5, P2O3
4P + 5O2 = 2P2O5
4P + 3O2 = 2P2O3
d) oxides: SO2, SO3
S + O2 = SO2
2S + 3O2 = 2SO3

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