蔗糖与浓硫酸反应的化学方程式,蔗糖与浓硫酸反应的化学方程式?

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1、铁和硫磺:
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Fe+S==(加热)FeS

2、铜和硫磺:
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2Cu+S==(加热)Cu2S

3、硫磺和氧气:
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S+O2==(点燃)SO2

4、硫磺和汞:
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Hg+S==HgS

5、硫磺溶于热的浓氢氧化钠:
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3S+6NaOH==(加热)2Na2S+Na2SO3+3H2O

6、硫化氢和少量氢氧化钠:
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H2S+NaOH==NaHS+H2O

7、硫化氢和足量氢氧化钠:
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H2S+2NaOH==Na2S+2H2O

8、实验室制备硫化氢:
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FeS+H2SO4==FeSO4+H2S↑

9、硫酸亚铁和硫化钠:
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FeSO4+Na2S==FeS↓+Na2SO4

10、硫化氢和硫酸铜:
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H2S+CuSO4==CuS↓+H2SO4

11、检验空气中是否含有硫化氢:
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(硫化氢和硝酸铅)

H2S+Pb(NO3)2==PbS↓+2HNO3

12、硫化氢完全燃烧:
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2H2S+3O2==(点燃)2H2O+2SO2

13、硫化氢不完全燃烧:
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2H2S+O2==(点燃)2H2O+2S

14、硫化氢在空气中被氧化:
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2H2S+O2==2H2O+2S

15、硫化氢和氯气(溴水,碘水):
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H2S+Cl2==2HCl+S

16、硫化氢和次氯酸钠:
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H2S+NaClO==NaCl+S↓+H2O

17、硫化氢和二氧化硫:
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2H2S+SO2==3S+2H2O

18、硫化钠+亚硫酸钠+盐酸:
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2Na2S+Na2SO3+6HCl==3S↓+6NaCl+3H2O

19、二氧化硫+澄清石灰水:
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SO2+Ca(OH)2==CaSO3↓+H2O

20、过量的二氧化硫+氢氧化钙:
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2SO2+Ca(OH)2==Ca(HSO3)2

21、盐酸+亚硫酸钙:
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2HCl+CaSO3==CaCl2+SO2↑+H2O

22、实验室制二氧化硫:
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Na2SO3+H2SO4(浓)==Na2SO4+SO2↑+H2O

23、二氧化硫的催化氧化:
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2SO2+O2==(可逆,催化剂,加热)2SO3 +Q

24、亚硫酸钠在空气中氧化:
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2Na2SO3+O2==2Na2SO4

25、二氧化硫和氯气溶于水(溴单质、碘单质):
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SO2+Cl2+2H2O==H2SO4+2HCl

26、二氧化硫+次氯酸钠:
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SO2+NaClO+H2O==H2SO4+NaCl

27、铜和浓硫酸:
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Cu+2H2SO4(浓)==(加热)CuSO4+SO2↑+2H2O

28、碳和浓硫酸:
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C+2H2SO4(浓)==(加热)CO2↑+2SO2↑+2H2O

29、胆矾和浓硫酸:
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CuSO4·5H2O==(浓硫酸)CuSO4+5H2O

30、蔗糖和浓硫酸:
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C12H22O11==(浓硫酸)12C+11H2O

31、碘化氢(溴化氢)和浓硫酸:
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2HI+H2SO4(浓)==I2+SO2+2H2O

32、硫化氢和浓硫酸:
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H2S+H2SO4(浓)==S↓+SO2+2H2O

33、沸腾炉中的反应(工业制硫酸第一步):
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4FeS2+11O2==(煅烧)2Fe2O3+8SO2

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