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二氧化氮溶于水注射器實驗現(xiàn)象 二氧化氮溶于水

1、工業(yè)固氮:__________________________________________;
N2+3H2==(可逆,催化劑,高溫高壓)2NH3
2、大氣固氮:__________________________________________;
N2+O2==(放電)2NO
3、鎂在氮氣中燃燒:______________________________________________;
3Mg+N2==(點燃)Mg3N2
4、氮化鎂的水解:________________________________________________;
Mg3N2+6H2O==3Mg(OH)2↓+2NH3↑
5、氨氣溶于水呈堿性:_________________________________________________________;
NH3+H2O==(可逆)NH3?H2O==(可逆)NH4+ + OH-
6、氨水和氯化鋁:_________________________________________________________;
3NH3?H2O+AlCl3==Al(OH)3↓+3NH4Cl
7、氯化銨和氫氧化鈉溶液共熱:_______________________________________________;
NH4Cl+NaOH==(加熱)NH3↑+H2O+NaCl
8、實驗室制氨氣:________________________________________________;
2NH4Cl+Ca(OH)2==(加熱)CaCl2+2NH3↑+2H2O
9、氨氣和氯化氫:______________________________________________;
NH3+HCl==NH4Cl 白煙
10、氨的催化氧化:___________________________________________________;
4NH3+5O2==(催化劑,加熱)4NO+6H2O
11、氨氣和氯氣:______________________________________________________;
2NH3+3Cl2==N2+6HCl
12、過量氨氣和氯氣:______________________________________________________;
8NH3+3Cl2==N2+6NH4Cl
13、氨氣在純氧中燃燒:____________________________________________________;
4NH3+3O2==(點燃)2N2+6H2O 注意是純氧 , 空氣不行
14、一氧化氮和氧氣:_____________________________________________________;
2NO+O2==2NO2
15、二氧化氮溶于水:________________________________________________________;
3NO2+H2O==2HNO3+NO
16、二氧化氮雙聚:________________________________________________________;
2NO2==(可逆)N2O4
17、二氧化氮和氧氣一起溶于水:______________________________________________;
4NO2+O2+2H2O==4HNO3
18、濃硝酸和銅:__________________________________________________________;
Cu+4HNO3(濃)==Cu(NO3)2+2NO2↑+2H2O
19、稀硝酸和銅:___________________________________________________________;
3Cu+8HNO3==3Cu(NO3)2+2NO↑+4H2O
20、稀硝酸和銅離子方程式:_________________________________________________;
3Cu+8H++2NO3-==3Cu2++2NO↑+4H2O
21、碳和濃硝酸共熱:______________________________________________________;
C+4HNO3(濃)==(加熱)CO2↑+4NO2↑+2H2O
22、二氧化硫溶于稀硝酸:__________________________________________________;
3SO2+2H2O+2HNO3==3H2SO4+2NO
23、碘化鉀和稀硝酸:______________________________________________________;
6KI+8HNO3==6KNO3+2NO↑+3I2+4H2O
24、硝酸亞鐵和稀硝酸:____________________________________________________;
3Fe(NO3)2+4HNO3==3Fe(NO3)3+NO↑+2H2O
25、硫化氫和稀硝酸:_____________________________________________________;
3H2S+2HNO3==3S↓+2NO+4H2O
26、硝酸的不穩(wěn)定:______________________________________________________;
4HNO3==(加熱或者光照)4NO2↑+O2↑+2H2O
27、工業(yè)制硝酸分別是上面的反應_______、________和_________ 。
傳統(tǒng)的答案是:10+14+15/17
目前高三拓展課本:10(氧化爐)
4NO+3O2+2H2O==4HNO3(收集器)
個人覺得,選擇題中,兩種方法都算對 。大型題目中,看背景,見招拆招 。
28、實驗室制硝酸:______________________________________________________;
NaNO3+H2SO4(濃)==(微熱)NaHSO4+HNO3↑
29、硝酸鈉受熱分解:____________________________________________________;
2NaNO3==(加熱)2NaNO2+O2↑
30、硝酸銅受熱分解:____________________________________________________;
2Cu(NO3)2==(加熱)2CuO+4NO2↑+O2↑

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