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最佳答案:2Mg+O2=点燃=2MgO3Fe+2O2=点燃=Fe3O4Fe+2HCl=FeCl2+H2↑Fe+H2SO4=FeSO4+H2↑Fe + H2SO4 ===
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最佳答案:2NO2 -- (catalyst) --> N2 + 2O2Used in car exhaust pipe to remove harmful gases.
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最佳答案:是CH3CH2CH2Br与水反应吧?CH3CH2CH2Br+H2O=====CH3CH2CH2OH+HBr(条件是特殊催化剂加热)