求铝三角的化学方程式,不要离子式,
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求铝三角的化学方程式,不要离子式,
![求铝三角的化学方程式,不要离子式,](/uploads/image/z/6409145-65-5.jpg?t=%E6%B1%82%E9%93%9D%E4%B8%89%E8%A7%92%E7%9A%84%E5%8C%96%E5%AD%A6%E6%96%B9%E7%A8%8B%E5%BC%8F%2C%E4%B8%8D%E8%A6%81%E7%A6%BB%E5%AD%90%E5%BC%8F%2C)
参见
(1) 2Al + 2NaOH + 2H2O === 2NaAlO2 + 3H2(上升)
(2) 4Al + 3O2 === 2Al2O3(条件:点燃)
[2Al + Fe2O3 === Al2O3 + 2Fe(条件:高温)]
(3) 2Al2O3 === 4Al + 3O2(上升)(条件:电解)
(4) 2Al + 3Cl2 === 2AlCl3(条件:点燃)
[2Al + 6HCl === 2AlCl3 + 3H2(上升)]
(5) Al2O3 + 2NaOH === 2NaAlO2 + H2O
(6) Al2O3 + 6HCl === 2AlCl3 + 3H2O
(7) NaAlO2 + HCl + H2O === NaCl + Al(OH)3(沉淀)
(8) Al(OH)3 + NaOH === NaAlO2 + 2H2O
(9) 2Al(OH)3 === Al2O3 + 3H2O(条件:加热)
(10)Al(OH)3 + 3HCl === AlCl3 + 3H2O
(11)AlCl3 + 3NH3.H2O === Al(OH)3(沉淀) + 3NH4Cl
[AlCl3 + 3NaOH === Al(OH)3(沉淀) + 3NaCl]
(12)NaAlO2 + HCl(过) === AlCl3 + NaOH + H2O
(1) 2Al + 2NaOH + 2H2O === 2NaAlO2 + 3H2(上升)
(2) 4Al + 3O2 === 2Al2O3(条件:点燃)
[2Al + Fe2O3 === Al2O3 + 2Fe(条件:高温)]
(3) 2Al2O3 === 4Al + 3O2(上升)(条件:电解)
(4) 2Al + 3Cl2 === 2AlCl3(条件:点燃)
[2Al + 6HCl === 2AlCl3 + 3H2(上升)]
(5) Al2O3 + 2NaOH === 2NaAlO2 + H2O
(6) Al2O3 + 6HCl === 2AlCl3 + 3H2O
(7) NaAlO2 + HCl + H2O === NaCl + Al(OH)3(沉淀)
(8) Al(OH)3 + NaOH === NaAlO2 + 2H2O
(9) 2Al(OH)3 === Al2O3 + 3H2O(条件:加热)
(10)Al(OH)3 + 3HCl === AlCl3 + 3H2O
(11)AlCl3 + 3NH3.H2O === Al(OH)3(沉淀) + 3NH4Cl
[AlCl3 + 3NaOH === Al(OH)3(沉淀) + 3NaCl]
(12)NaAlO2 + HCl(过) === AlCl3 + NaOH + H2O