10 Feb 10, 06:57
Mr Kwok: A shoutout to Kailas, thank you for dropping by!31 Jan 10, 00:37
Mr Kwok: Hi Keivan, glad that it helped. 
30 Jan 10, 11:11
Keivan: Thank you for your helpful charts on spontaneous reactions, it made more sense than our own teacher! Thanks again!22 Jan 10, 09:47
Mr Kwok: Hi Ary, thank you for dropping a note. i am glad that it provided some help. 22 Jan 10, 09:47
Mr Kwok: Hi Ary, thank you for dropping a note. i am glad that it provided some help. 21 Jan 10, 21:42
Ary: Im glad i found this site, really helped me alot. (: Thank you!26 Dec 09, 12:41
Mr Kwok: A shoutout to Alex, thanks for dropping by and posting your comments. 23 Nov 09, 20:47
Mr Kwok: Hi Zhong Sheng, i hope you found the answer. It is also as good as saying it is a dative bond.22 Nov 09, 18:18
zhong sheng: what is coordinate bond?20 Nov 09, 11:01
Mr Kwok: Hi Samm, it is just just an electrophile (species that is electron deficient) and it seeks out for electrons. alkene's pi electrons are exposed hence susceptible to attacks frm electrophiles.20 Nov 09, 11:01
Mr Kwok: Hi Samm, it is just just an electrophile (species that is electron deficient) and it seeks out for electrons. alkene's pi electrons are exposed hence susceptible to attacks frm electrophiles.11 Nov 09, 07:33
samm: ermm how to understand electrophilic addition mechanism?30 Oct 09, 00:31
brenda: hi sir, instead of condensation if we write esterification is it the same?21 Sep 09, 00:20
Mr Kwok: for Tollen's reagent, it is best to put Ag+ and NH3. thanks for dropping a note here yimin! 21 Sep 09, 00:19
Mr Kwok: For Fehling's solution it has to be alkaline copper (II) tiartrate. Sometimes, we do accept Cu2+, OH-.19 Sep 09, 10:27
yimin: Same goes for Fehling's solution. Can I simply write "Cu 2+ ions" or do I have to put the reagents to get copper(II) tartrate?19 Sep 09, 10:26
yimin: "silver nitrate(aq) and ammonia"?19 Sep 09, 10:26
yimin: Hi Sir, for the Tollen's reagent can I write "silver diammine" or do I have to write "5 Sep 09, 22:15
KOfi: I am 29YR old man who wants to be a medical doctor but is having problems with basic stoichimetry and equilicrium> I was wondering if you can help cure me. lol1 Sep 09, 14:04
Mr Kwok: Hi Brenda! Thank you so much!