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{Reissert compounds}

Started by zhangtianzong « 1 2 » | Last post by Rutherford March 12, 2016, 03:29:03 AM

16 Replies
13722 Views
Last post March 12, 2016, 03:29:03 AM
by Rutherford
Solubility - Complex ion equilibrium problem

Started by nefsicle | Last post by AWK March 10, 2016, 04:00:12 AM

3 Replies
5918 Views
Last post March 10, 2016, 04:00:12 AM
by AWK
Olympiad preparation

Started by T | Last post by T March 07, 2016, 02:57:33 AM

4 Replies
5574 Views
Last post March 07, 2016, 02:57:33 AM
by T
Biochemistry in Olympiads

Started by ArcHos | Last post by Vidya March 01, 2016, 07:17:15 AM

2 Replies
4573 Views
Last post March 01, 2016, 07:17:15 AM
by Vidya
who we are? *delete me*

Started by Jose Luis Mg | Last post by Arkcon February 21, 2016, 06:43:35 AM

3 Replies
3854 Views
Last post February 21, 2016, 06:43:35 AM
by Arkcon
USNCO National Exam 2003 problem 43

Started by cjby69 | Last post by cjby69 January 10, 2016, 05:18:59 PM

2 Replies
3843 Views
Last post January 10, 2016, 05:18:59 PM
by cjby69
Help with bonding question?

Started by rhiannon red | Last post by Vidya December 04, 2015, 01:08:19 AM

2 Replies
3902 Views
Last post December 04, 2015, 01:08:19 AM
by Vidya
Chemistry competitions

Started by T | Last post by Vidya December 04, 2015, 12:51:09 AM

1 Replies
3698 Views
Last post December 04, 2015, 12:51:09 AM
by Vidya
Finding the element

Started by T | Last post by T July 24, 2015, 03:30:44 AM

10 Replies
8347 Views
Last post July 24, 2015, 03:30:44 AM
by T
Oxidation of iron(2) sulfate- heptahydrate

Started by Science geek | Last post by Arkcon July 23, 2015, 10:08:32 AM

11 Replies
8183 Views
Last post July 23, 2015, 10:08:32 AM
by Arkcon
A complexed problem (solutions)

Started by Science geek | Last post by Science geek July 23, 2015, 09:05:14 AM

12 Replies
7782 Views
Last post July 23, 2015, 09:05:14 AM
by Science geek
Ammonia equilibrium

Started by T | Last post by mjc123 July 22, 2015, 04:48:25 AM

7 Replies
5757 Views
Last post July 22, 2015, 04:48:25 AM
by mjc123
Question from Olympiad

Started by T « 1 2 » | Last post by T July 21, 2015, 04:33:57 AM

17 Replies
11421 Views
Last post July 21, 2015, 04:33:57 AM
by T
Vapour pressure

Started by T | Last post by T July 20, 2015, 05:09:42 AM

4 Replies
3197 Views
Last post July 20, 2015, 05:09:42 AM
by T
Movement of Electrons

Started by T | Last post by T July 18, 2015, 06:56:41 PM

4 Replies
3554 Views
Last post July 18, 2015, 06:56:41 PM
by T
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