摘要:配平下列化学方程式.
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配平下列化学方程式。
(1)___H2+____Fe2O3______Fe+_____H2O
(2)_______N2+_____H2____NH3
(3)_____Al+____Fe3O4___Al2O3+_____Fe
(4)___Fe2(SO4)3+____KOH___Fe(OH)3↓+_____K2SO4
(5)____HgO_____Hg+______O2↑
(6)___KMnO4___K2MnO4+______MNO2+____O2↑
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(1)___H2+____Fe2O3______Fe+_____H2O
(2)_______N2+_____H2____NH3
(3)_____Al+____Fe3O4___Al2O3+_____Fe
(4)___Fe2(SO4)3+____KOH___Fe(OH)3↓+_____K2SO4
(5)____HgO_____Hg+______O2↑
(6)___KMnO4___K2MnO4+______MNO2+____O2↑