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cambridge challenge (c3l6)

Started by momoho | Last post by Big-Daddy April 22, 2014, 05:26:40 PM

1 Replies
4811 Views
Last post April 22, 2014, 05:26:40 PM
by Big-Daddy
Born-Haber cyrcle

Started by Rutherford | Last post by Rutherford August 04, 2012, 09:32:35 AM

8 Replies
7839 Views
Last post August 04, 2012, 09:32:35 AM
by Rutherford
book for chemistry Olympiad

Started by lhpVietNam | Last post by lhpVietNam October 30, 2016, 03:22:05 PM

0 Replies
6090 Views
Last post October 30, 2016, 03:22:05 PM
by lhpVietNam
Biochemistry in Olympiads

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

2 Replies
6852 Views
Last post March 01, 2016, 07:17:15 AM
by Vidya
Baltic Chemistry Competition (online)

Started by Kaspijs | Last post by Kaspijs October 11, 2020, 02:55:06 PM

3 Replies
6815 Views
Last post October 11, 2020, 02:55:06 PM
by Kaspijs
Back with the phosphoric acid- problem 11

Started by Radu | Last post by Rutherford May 05, 2014, 10:19:44 AM

9 Replies
9075 Views
Last post May 05, 2014, 10:19:44 AM
by Rutherford
Ammonia equilibrium

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

7 Replies
9441 Views
Last post July 22, 2015, 04:48:25 AM
by mjc123
Acid base

Started by T | Last post by T June 11, 2015, 06:11:11 AM

2 Replies
4777 Views
Last post June 11, 2015, 06:11:11 AM
by T
A complexed problem (solutions)

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

12 Replies
11038 Views
Last post July 23, 2015, 09:05:14 AM
by Science geek
26th problem IChO - A heterocyclic compound

Started by Radu | Last post by Rutherford April 22, 2014, 03:46:15 PM

5 Replies
6643 Views
Last post April 22, 2014, 03:46:15 PM
by Rutherford
25th IChO problem cefalotin

Started by momoho | Last post by momoho April 11, 2014, 04:23:01 AM

4 Replies
6167 Views
Last post April 11, 2014, 04:23:01 AM
by momoho
2020 US National Chemistry Olympiad

Started by trienebutdiene | Last post by trienebutdiene June 23, 2019, 11:00:06 AM

0 Replies
4307 Views
Last post June 23, 2019, 11:00:06 AM
by trienebutdiene
2015 Olympiad Questions

Started by stmoney | Last post by Vidya September 11, 2016, 11:54:15 PM

5 Replies
13166 Views
Last post September 11, 2016, 11:54:15 PM
by Vidya
2 Questions on Thermodynamics and Equilibrium

Started by CandySun | Last post by CandySun April 07, 2014, 10:08:43 PM

9 Replies
9113 Views
Last post April 07, 2014, 10:08:43 PM
by CandySun
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