Расставьте коэффициенты: H2+N2=NH3, Al+Cl=AlCl3, Zn+O2=ZnO, Fe+Cl2=FeCl3, Al+S=Al2S3, Ag+s=Ag2S, Mg+O2=MgO, C+O2=CO2, Ca+I2=CaI2, P+Cl2=PCl3,Na+Cl2=NaCl, C+H2=CH4, H2S+O2=S+H2O, MnO+H2=H2O+Mn
3H2+N2=2NH3, 2Al+3Cl2=2AlCl3, 2Zn+O2=2ZnO, 2Fe+3Cl2=2FeCl3, 2Al+3S=Al2S3, 2Ag+s=Ag2S, 2Mg+O2=2MgO, 2C+O2=CO2, Ca+СI2=CaСI2, 2P+3Cl2=2PCl3, 2Na+Cl2=2NaCl, C+2H2=CH4, 2H2S+O2=2S+2H2O, MnO+H2=H2O+Mn
