硫酸铜和硫化氢(硫酸铜和氢氧化铁)

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1、铁和硫磺:________________________________________________;

Fe+S==(加热)FeS

2、铜和硫磺:________________________________________________;

2Cu+S==(加热)Cu2S

3、硫磺和氧气:______________________________________________;

S+O2==(点燃)SO2

4、硫磺和汞:________________________________________________;

Hg+S==HgS

5、硫磺溶于热的浓氢氧化钠:________________________________________________;

3S+6NaOH==(加热)2Na2S+Na2SO3+3H2O

6、硫化氢和少量氢氧化钠:__________________________________________________;

H2S+NaOH==NaHS+H2O

7、硫化氢和足量氢氧化钠:__________________________________________________;

H2S+2NaOH==Na2S+2H2O

8、实验室制备硫化氢:_____________________________________________________;

FeS+H2SO4==FeSO4+H2S↑

9、硫酸亚铁和硫化钠:_____________________________________________________;

FeSO4+Na2S==FeS↓+Na2SO4

10、硫化氢和硫酸铜:______________________________________________________;

H2S+CuSO4==CuS↓+H2SO4

11、检验空气中是否含有硫化氢:_____________________________________________;

(硫化氢和硝酸铅)

H2S+Pb(NO3)2==PbS↓+2HNO3

12、硫化氢完全燃烧:_____________________________________________________;

2H2S+3O2==(点燃)2H2O+2SO2

13、硫化氢不完全燃烧:___________________________________________________;

2H2S+O2==(点燃)2H2O+2S

14、硫化氢在空气中被氧化:_______________________________________________;

2H2S+O2==2H2O+2S

15、硫化氢和氯气(溴水,碘水):__________________________________________;

H2S+Cl2==2HCl+S

16、硫化氢和次氯酸钠:__________________________________________________;

H2S+NaClO==NaCl+S↓+H2O

17、硫化氢和二氧化硫:__________________________________________________;

2H2S+SO2==3S+2H2O

18、硫化钠+亚硫酸钠+盐酸:______________________________________________;

2Na2S+Na2SO3+6HCl==3S↓+6NaCl+3H2O

19、二氧化硫+澄清石灰水:_______________________________________________;

SO2+Ca(OH)2==CaSO3↓+H2O

20、过量的二氧化硫+氢氧化钙:___________________________________________;

2SO2+Ca(OH)2==Ca(HSO3)2

21、盐酸+亚硫酸钙:____________________________________________________;

2HCl+CaSO3==CaCl2+SO2↑+H2O

22、实验室制二氧化硫:_________________________________________________;

Na2SO3+H2SO4(浓)==Na2SO4+SO2↑+H2O

23、二氧化硫的催化氧化:_______________________________________________;

2SO2+O2==(可逆,催化剂,加热)2SO3 +Q

24、亚硫酸钠在空气中氧化:_______________________________________________;

2Na2SO3+O2==2Na2SO4

25、二氧化硫和氯气溶于水(溴单质、碘单质):______________________________________;

SO2+Cl2+2H2O==H2SO4+2HCl

26、二氧化硫+次氯酸钠:_________________________________________________;

SO2+NaClO+H2O==H2SO4+NaCl

27、铜和浓硫酸:_________________________________________________________;

Cu+2H2SO4(浓)==(加热)CuSO4+SO2↑+2H2O

28、碳和浓硫酸:_________________________________________________________;

C+2H2SO4(浓)==(加热)CO2↑+2SO2↑+2H2O

29、胆矾和浓硫酸:______________________________________________________;

CuSO4·5H2O==(浓硫酸)CuSO4+5H2O

30、蔗糖和浓硫酸:______________________________________________________;

C12H22O11==(浓硫酸)12C+11H2O

31、碘化氢(溴化氢)和浓硫酸:________________________________________________;

2HI+H2SO4(浓)==I2+SO2+2H2O

32、硫化氢和浓硫酸:____________________________________________________;

H2S+H2SO4(浓)==S↓+SO2+2H2O

33、沸腾炉中的反应(工业制硫酸第一步):_________________________________________;

4FeS2+11O2==(煅烧)2Fe2O3+8SO2

标签: 溴水

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