问题
填空题
配平和完成下列化学方程式:
(1)_________P+________FeO_______P2O5+________Fe
(2)_______Fe(红热)+_________H2O(气)--________Fe3O4+__________H2
(3)______N2+_______H2--_______NH3
(4)______Al+_______Fe3O4--_______Fe+_______Al2O3
答案
(1)2P+5FeOP2O5+5Fe
(2)3Fe(红热)+4H2O(g)Fe3O4+4H2↑
(3)N2+3H2==2NH3
(4)2Al+Fe2O32Fe+Al2O3