Yahoo奇摩 網頁搜尋

  1. 1. a)(i) http://i.imgur.com/0fXVr53.jpg (ii) No, as they cannot be represented by the same general formula. b) [This is ...

    分類:科學及數學 > 化學 2015年06月16日

  2. ...lot larger and have a greater mass, so one needs to consider how many molecules of each type ...since sodium chloride ionizes and sucrose does not , you got two ions for each NaCl unit...

    分類:科學及數學 > 化學 2015年04月26日

  3. ... in water to give a clear solution, but does not react with potassium carbonate solution. D. true ...pressure. This disturbs the equilibrium, but it needs time to re-establish the equilibrium. The quickly decrease...

    分類:科學及數學 > 化學 2015年03月21日

  4. ... is used as it is an inert gas which does not emit electrons atsuch temperatures. 3. In a molecule, the...

    分類:科學及數學 > 化學 2015年03月03日

  5. ...knowledge in higher studies is not need ; however it'd be good if you can take a look into... the number of drops of acid needed to turn the solution from yellow to red. This...

    分類:科學及數學 > 化學 2015年03月06日

  6. ... just do the experiment and that is the result. So it doesn't need to be kept the same. Hope I can help you=)

    分類:科學及數學 > 化學 2014年06月28日

  7. ...electrolytic cell and chemical cell? The main difference is electrolytic cell need elect-> electricity. Electroytic cell has battery while chemical cell not . But why can't electrolytic cell generates electricity by...

    分類:科學及數學 > 化學 2014年06月04日

  8. Basically it cannot be Sn1 reaction, so yes, please consider Sn2 reaction. Since the...

    分類:科學及數學 > 化學 2014年03月30日

  9. ...must be only very weakly acidic). Q.1 Why do we need to add ether????? Also will sodium carbonate react with phenol... in sodium carbonate solution, phenol is not soluble and exist as solid. Using ether extraction can extract...

    分類:科學及數學 > 化學 2014年02月25日

  10. ...0.05 V With negative cell potential, probably the reaction is not spontaneous. But well, while the reaction is energetically unfeasible, no information...

    分類:科學及數學 > 化學 2013年12月01日