配平下列化学方程式: (1)______NH3+______Cl2═______
问题:
配平下列化学方程式:
(1)______NH3+______Cl2═______ N2+______ NH4Cl
(2)______FeS2+______O2═______ Fe2O3+______ SO2
(3)______C3H8+______O2═______CO2+______ H2O
(4)______N2O3+______Fe═______ Fe3O4+______ N2
(5)______Al(OH)3+______H2SO4═______Al2(SO4)3+______H2O.