配平和完成下列化学方程式并在括号写出反应类型
(1)________ P+________ FeO═________ P2O5+________ Fe________
(2)________ Fe(红热)+________ H2O(气)═________ Fe3O4+________ H2 _________
(3)________ N2+________ H2═________ NH3________
(4)________ Al+________ Fe3O4═_____Fe+________ Al2O3________ .