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氨气在纯氧中燃烧的化学方程式,高中氮元素的化学方程式?

1、工业固氮:__________________________________________;

N2 3H2==(可逆,催化剂,高温高压)2NH3

2、大气固氮:__________________________________________;

N2 O2==(放电)2NO

3、镁在氮气中燃烧:______________________________________________;

3Mg N2==(点燃)Mg3N2

4、氮化镁的水解:________________________________________________;

Mg3N2 6H2O==3Mg(OH)2↓ 2NH3↑

5、氨气溶于水呈碱性:_________________________________________________________;

NH3 H2O==(可逆)NH3•H2O==(可逆)NH4 OH-

6、氨水和氯化铝:_________________________________________________________;

3NH3•H2O AlCl3==Al(OH)3↓ 3NH4Cl

7、氯化铵和氢氧化钠溶液共热:_______________________________________________;

NH4Cl NaOH==(加热)NH3↑ H2O NaCl

8、实验室制氨气:________________________________________________;

2NH4Cl Ca(OH)2==(加热)CaCl2 2NH3↑ 2H2O

9、氨气和氯化氢:______________________________________________;

NH3 HCl==NH4Cl 白烟

10、氨的催化氧化:___________________________________________________;

4NH3 5O2==(催化剂,加热)4NO 6H2O

11、氨气和氯气:______________________________________________________;

2NH3 3Cl2==N2 6HCl

12、过量氨气和氯气:______________________________________________________;

8NH3 3Cl2==N2 6NH4Cl

13、氨气在纯氧中燃烧:____________________________________________________;

4NH3 3O2==(点燃)2N2 6H2O 注意是纯氧,空气不行

14、一氧化氮和氧气:_____________________________________________________;

2NO O2==2NO2

15、二氧化氮溶于水:________________________________________________________;

3NO2 H2O==2HNO3 NO

16、二氧化氮双聚:________________________________________________________;

2NO2==(可逆)N2O4

17、二氧化氮和氧气一起溶于水:______________________________________________;

4NO2 O2 2H2O==4HNO3

18、浓硝酸和铜:__________________________________________________________;

Cu 4HNO3(浓)==Cu(NO3)2 2NO2↑ 2H2O

19、稀硝酸和铜:___________________________________________________________;

3Cu 8HNO3==3Cu(NO3)2 2NO↑ 4H2O

20、稀硝酸和铜离子方程式:_________________________________________________;

3Cu 8H 2NO3-==3Cu2 2NO↑ 4H2O

21、碳和浓硝酸共热:______________________________________________________;

C 4HNO3(浓)==(加热)CO2↑ 4NO2↑ 2H2O

22、二氧化硫溶于稀硝酸:__________________________________________________;

3SO2 2H2O 2HNO3==3H2SO4 2NO

23、碘化钾和稀硝酸:______________________________________________________;

6KI 8HNO3==6KNO3 2NO↑ 3I2 4H2O

24、硝酸亚铁和稀硝酸:____________________________________________________;

3Fe(NO3)2 4HNO3==3Fe(NO3)3 NO↑ 2H2O

25、硫化氢和稀硝酸:_____________________________________________________;

3H2S 2HNO3==3S↓ 2NO 4H2O

26、硝酸的不稳定:______________________________________________________;

4HNO3==(加热或者光照)4NO2↑ O2↑ 2H2O

27、工业制硝酸分别是上面的反应_______、________和_________。

传统的答案是:10 14 15/17

目前高三拓展课本:10(氧化炉)

4NO 3O2 2H2O==4HNO3(收集器)

个人觉得,选择题中,两种方法都算对。大型题目中,看背景,见招拆招。

28、实验室制硝酸:______________________________________________________;

NaNO3 H2SO4(浓)==(微热)NaHSO4 HNO3↑

29、硝酸钠受热分解:____________________________________________________;

2NaNO3==(加热)2NaNO2 O2↑

30、硝酸铜受热分解:____________________________________________________;

2Cu(NO3)2==(加热)2CuO 4NO2↑ O2↑

31、硝酸银受热分解:____________________________________________________;

2AgNO3==(加热)2Ag 2NO2↑ O2↑

32、二氧化氮溶于氢氧化钠溶液:________________________________________________;

2NO2 2NaOH==NaNO3 NaNO2 H2O

33、二氧化氮和一氧化氮共溶于氢氧化钠溶液:_______________________________________;

NO2 NO 2NaOH==2NaNO2 H2O

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