我以下有關Sulphur dioxide既問題:
1)Sulphur dioxide既colour
2)Sulphur dioxide既smell
3)Sulphur dioxide既boiling point
4)Sulphur dioxide係soluble定係insoluble in water
5)Sulphur dioxide既source(Sulphur dioxide係點黎既,即係由來or來源)
6)Sulphur dioxide既uses(Sulphur dioxide有咩用途)<-------愈多愈好
以上問題必須必須必須必須必須用英文english作答!!!!thx~
*p.s請只答上面問題,唔洗其他額外資料,要一個個point咁答.唔好成段嘢咁copy落黎.
抱歉太多要求了
Sulphur dioxide既問題!急急急急!!!!!!!(英文作答)
2007-06-03 12:46 am
回答 (2)
2007-06-03 1:08 am
✔ 最佳答案
1) colourless gas2) "smell of burning sulphur"
3) −10 °C (263 K)
4) Solubility in water 9.4 g/100 mL (25 °C)
5) a) burning of sulphur S(s) + O2(g) → SO2(g)
b) roasting of metal sulphide 4FeS2(s) + 11O2(g) → 2Fe2O3(s) + 8SO2(g)
c) burning of hydrogen sulphide 2H2S(g) + 3O2(g) → 2H2O(g) + 2SO2(g)
d) addition of hot concentrated sulfuric acid on copper turnings Cu(s) + 2H2SO4(aq) → CuSO4(aq) + SO2(g) + 2H2O(l)
6) a) preservative in alcoholic drinks, or dried apricots and other dried fruits
b) useful reducing bleach for papers and delicate materials such as clothes
c) make sulphuric acid
d) acts as an antibiotic and antioxidant, protecting wine from spoilage organisms, bacteria, and oxidation, and also helps to keep volatile acidity at desirable levels
2007-06-03 12:57 am
1. colourless
2. no special smell
3. under 0 degree celecus
4. soluble in water
5. sulphur heat with oxygen
reduction of supluric acid
6. food additive in wine
production of supluric acid
breaching agent
2. no special smell
3. under 0 degree celecus
4. soluble in water
5. sulphur heat with oxygen
reduction of supluric acid
6. food additive in wine
production of supluric acid
breaching agent
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