Закончите уравнения реакций: 1.LI + O= 2.H2 + 02= 3.Cr2O3 + H2= 4.Mg + HCl= 5 H2 +N2= 6.C H4 + O2= 7.Ca + O2= 8.P + O2= 9.CuO + H2= 10.Zn + HCI= 11.H2 + O2= 12.H2S + O2=
4Li+O2=2Li2O 2H2+O2=2H2O Cr2O3+3H2=2Cr+3H2O Mg+2HCl=MgCl2+H2 3H2+N2=2NH3 CH4+2O2=CO2+2H2O 2Ca+O2=2CaO 4P+5O2=2P2O5 CuO+H2=Cu+H2O Zn+2HCl=ZnCl2+H2 2H2+O2=2H2O 2H2S+3O2=2SO2+2H2O