摘要:配平和完成下列化学方程式: (1) P+FeOP2O5+Fe (2) Fe+ H2O(气)--Fe3O4+H2 (3) N2+H2--NH3 (4) Al+Fe3O4--Fe+Al2O3 思路解析:根据化学方程式配平的步骤.结合质量守恒定律.反应前后原子总数不变.配平. 答案:(1)2P+5FeOP2O5+5Fe +4H2O(g) Fe3O4+4H2↑ (3)N2+3H2====2NH3 (4)2Al+Fe2O32Fe+Al2O3
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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
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
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
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(1)
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(2)
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(3)
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(4)
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