初中化学方程式集

1、初中化学方程式化合反应点燃2mg+o 2=2mgo点燃s+o2 =so 2点燃c+o 2=co 2点燃2c+o 2=2co高温co2+c=2co点燃4p+5o2=2p 2o5点燃3fe+2o2=fe 3o4点燃2h2+o 2=2h 2o点燃2co+o 2=2co 2 co2+h2 o=h 2co3分解反应置换反应zn+h 2 so4=znso 4+h 2mg+h 2 so4=mgso 4+h 2cu2(oh) 2co3=2cuo+h 2 o+co 2fe+h2so4 =feso4+h 2mno 22al+3h 2so4 =al 2(so4) 3+3h 22kclo 3=2kcl+3o 2zn+

2、2hcl=zncl2+h2 mg+2hcl=mgcl2+h 22kmno 4=k 2mno 4+mno 2+o 2fe+2hcl=fecl 2+h 2通电2h2o=2h 2 +o22al+6hcl=2alcl3+3h 2h 2co3=h 2o+co 2h2+cuo=cu+h 2o高温caco3=cao+co 2高温c+2cuo=2cu+co 2cuso4?5h2o=cuso 4+5h2ofe+cuso 4=feso4+cucuso4+zn=znso 4+cuhg(no 3)2+cu=cu(no 3) 2+hg复分解反应fe2o3+6hcl=2fecl 3+3h 2o fe2o3+3h 2so4

3、=fe2(so4) 3+3h 2o cuo+h 2so4=cuso 4+h 2ozno+2hno 3=zn(no 3)3 +h2o cu(oh) 2+2hcl=cucl 2+2h 2o cu(oh) 2+h2so4=cuso 4+2h 2o naoh+hcl=nacl+h 2o 2naoh+h 2so4=na 2so4+2h 2o naoh+hno 3=nano 3+h 2o mg(oh) 2+2hno 3=mg(no 3)2 +2h 2o hcl+agno 3=agcl +hno 3 kcl+agno 3=agcl +kno 3 nacl+agno 3=agcl +nano 3h 2so4+

4、bacl 2=baso4 +2hcl na 2so4+bacl 2=baso4 +2nacl cuso4+2naoh=cu(oh) 2 +na 2so4 fecl3+3naoh=fe(oh) 3 +3nacl ca(oh) 2+na 2co3=caco 3 +2naoh caco3+2hcl=cacl 2+h 2o+co 2na 2co3+2hcl=2nacl+h 2o+co 22naoh+co 2=na 2co3+h 2o高温点燃fe3o4+4co=3fe+4co 22c2h 2+5o2=4co 2+2h 2o2naoh+so 2=na 2so3+h2o其ca(oh) 2+co 2=caco 3 +h2o加热姓名它cuo+co=cu+co 2点燃班级：ch4+2o2=co 2+2h 2o反高温点燃应feo+co=fe+co 2c2 h5oh+3o 2=2co 2+3h