文憑化學-發問區

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全局置頂   今天起不在發問區發問的新帖會被刪去!!! takwing1 2010-4-8 19/79217 ?ds31 2016-3-28 20:49
全局置頂   "發問守則" 及 "想發問快D有回答".....  ...23456..9 takwing1 2009-4-5 179/282335 ?ds31 2016-3-28 20:49
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  organic既問題(density同bp/mp關係) 1 級熱門 romedictator 2012-1-7 8/2540 giraffe86h 2014-7-24 01:37
  [已解答]Rate of reaction yatkuen 2012-4-8 5/2581 dibxnp944 2013-12-24 05:54
  [發問問題]extrapolation method(enthalpy change) 200709646 2013-4-17 2/2082 dibxnp944 2013-12-22 10:07
  [已解答]hydrogen bond 1 級熱門 xxx888 2011-11-3 9/2723 selec51ef0 2013-9-16 15:05
  [發問問題]What is meant by "oxidizing property"? xxx888 2012-2-4 5/2430 identya120 2013-9-14 21:05
  [分享資料、知識]如何畫tangent更準? xxx888 2012-5-5 7/2765 bklihg252 2013-9-10 23:15
  [已解答]Titration一問 xxx888 2012-4-29 2/2454 qqwsbt721 2013-9-6 16:40
  Equilibrium of esterification yatkuen 2012-4-8 4/2154 qwevnk931 2013-9-3 20:01
  [已解答]What is the content of petroleum? xxx888 2012-3-16 2/2156 xtkivj105 2013-9-1 09:09
  CE 07年 lq 10b lok527 2012-1-3 2/1846 xxuikv843 2013-8-31 00:33
  化學問題:2,3-二羥基丁二酸 氧化作用半方程式. babyon99 2011-8-25 2/1817 xxuikv843 2013-8-29 16:42
  [已解答]calculation about eqm yatkuen 2012-4-8 4/2506 ktkcng793 2013-8-25 06:58
  [已解答]OH- in chemical cells 1 級熱門 xxx888 2011-11-4 19/3769 qwevnk931 2013-8-21 03:38
  draw a tangent accurately 200709646 2013-4-17 1/1801 takwing1 2013-4-19 12:26
  [發問問題]why the unit of activation energy is J/mol 200709646 2013-4-17 1/2233 takwing1 2013-4-17 11:08
  [發問問題]What is the difference between simple distillation and fractional distillation? phygodie 2013-2-14 5/2544 200709646 2013-2-23 22:16
  preparing salt (2012 DSE PAPER Q6) 200709646 2013-1-15 7/2360 takwing1 2013-2-18 18:09
  [發問問題]CE 2009 I 12b xxx888 2013-2-9 1/2040 takwing1 2013-2-14 00:51
  Stupid question xxx888 2012-8-3 7/2059 xxx888 2012-8-8 15:58
  [發問問題]Chem: state symbol一問 xxx888 2012-5-19 2/2883 xxx888 2012-6-1 19:17
  [已解答]carbon compouns問題 pingu1994200 2010-10-13 5/3606 史朱長在 2012-4-27 03:47
  Mole 比例問題 ( 本人化學極差 -_-) 求救 1 級熱門  ...2 Mimi鴻 2010-6-11 23/6940 sxyl0031 2012-4-22 07:50
  [發問問題]AL 2007 pp1 weeko 2012-1-27 0/2046 weeko 2012-1-27 20:00
  [發問問題]Naming of organic compound 2 xxx888 2012-1-3 4/2415 RonHo 2012-1-16 15:09
  [已解答]Redox xxx888 2011-12-24 9/2692 xxx888 2011-12-29 18:08
  [發問問題]Dative covalent bond xxx888 2011-12-24 3/2921 xxx888 2011-12-29 10:04
  [已解答]Plastic xxx888 2011-12-23 4/2454 xxx888 2011-12-26 09:48
  應該關化學的問題...... dick1288 2011-10-20 2/1715 takwing1 2011-10-21 16:12