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时间:2020-04-28
《初中化学方程式配平.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、配平下列化学方程式(1)___C2H5OH+___O2点燃___CO2+___H2O(2)___C+___CuO___Cu+___CO2↑(3)___C+___Fe2O3___Fe+___CO2↑(4)___CO+___Fe2O3___Fe+___CO2↑(5)___Fe2O3+___HCl=___FeCl3+___H2O(6)___Na+___NH3=___NaNH2+___H2↑(7)___Na+___H2O=___NaOH+___H2↑(8)___Al+___Fe2O3___Al2O3+___Fe(9)___Fe+___H2O(g)___Fe3O
2、4+___H2↑(10)___HF+___SiO2=___SiF4+___H2O(11)___SO2+___Cl2+___H2O=___H2SO4+___HCl(12)___SO2+___H2S=___S+___H2O(13)___FeO+___Si___Fe+___SiO2(14)___Na2O2+___H2O=___NaOH+___O2↑(15)___Na2O2+___CO2=___Na2CO3+___O2↑(16)___Na+___O2=___Na2O(17)___Na+___TiCl4___NaCl+___Ti(18)___Mg+___SiO2___Mg
3、O+___Si(19)___Al+___MnO2___Al2O3+___Mn(20)___Al+___Fe2O3___Al2O3+___Fe(21)___H2S+___SO2=___S↓+___H2O(22)___H2S+___H2SO4(浓)=___S↓+___SO2↑+___H2O(23)___NH3+___Cl2=___N2+___HCl(24)___CaH2+___H2O=___Ca(OH)2↓+___H2↑(25)___HF+___Si=___SiF4+___H2↑(26)___SO2+___O2+___H2O=___H2SO4(27)___HNO3(
4、浓)+___C___CO2↑+___NO2↑+___、H2O(28)___H2SO3+___H2S=___S↓+___H2O(39)___Fe(OH)3___Fe2O3+___H2O(30)___FeCl2+___Cl2=___FeCl3(31)___NaHCO3___Na2CO3+___H2O+___CO2↑(32)___Al+___HNO3(稀)=___Al(NO3)3+___NO↑+___H2O(33)___HCl+___KClO3=___KCl+___Cl2↑+___H2O(34)___H2O+___F2=___HF+___O2(35)___NO2+__
5、_H2S=___NO+___SO3+___H2O(36)___NO2+___Cu___CuO+___N2(37)___Fe2O3+___H2___Fe+___H2O(38)___Fe3O4+___H2___Fe+___H2O(39)___HClO+___HI=___HIO3+___HCl(40)___H2SO4(浓)+___CCO2↑+___SO2↑+___H2O(42)___H2SO3+___FeCl3+___H2O=___H2SO4+___FeCl2+___HCl(42)___HClO___HCl+___O2↑(43)___Fe(OH)2+___O2+___
6、H2O=___Fe(OH)3
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