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Preparation

Started by T | Last post by T July 12, 2015, 07:27:52 PM

4 Replies
4206 Views
Last post July 12, 2015, 07:27:52 PM
by T
Practice problem 1

Started by Rutherford | Last post by Borek April 23, 2014, 01:58:33 PM

5 Replies
4257 Views
Last post April 23, 2014, 01:58:33 PM
by Borek
book for chemistry Olympiad

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

0 Replies
4293 Views
Last post October 30, 2016, 03:22:05 PM
by lhpVietNam
IChO

Started by plu | Last post by Will June 09, 2006, 10:05:06 PM

1 Replies
4306 Views
Last post June 09, 2006, 10:05:06 PM
by Will
Chemistry competitions

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

1 Replies
4310 Views
Last post December 04, 2015, 12:51:09 AM
by Vidya
USNCO National Exam 2003 problem 43

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

2 Replies
4340 Views
Last post January 10, 2016, 05:18:59 PM
by cjby69
Tricky Acid base question

Started by sn1sn2e1e2 | Last post by sn1sn2e1e2 April 19, 2014, 05:29:01 PM

2 Replies
4348 Views
Last post April 19, 2014, 05:29:01 PM
by sn1sn2e1e2
Chemistry Olympiad - laboratory at home

Started by Qweetryy | Last post by Arkcon April 20, 2018, 10:56:32 AM

1 Replies
4387 Views
Last post April 20, 2018, 10:56:32 AM
by Arkcon
Help with bonding question?

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

2 Replies
4420 Views
Last post December 04, 2015, 01:08:19 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
4492 Views
Last post February 21, 2016, 06:43:35 AM
by Arkcon
Water Phase Changes

Started by stringpaper | Last post by Yggdrasil February 27, 2013, 09:06:10 AM

3 Replies
4492 Views
Last post February 27, 2013, 09:06:10 AM
by Yggdrasil
Kinetics of an (overall) negative 1st order reaction

Started by AhBeng | Last post by AhBeng April 27, 2012, 11:38:49 AM

2 Replies
4527 Views
Last post April 27, 2012, 11:38:49 AM
by AhBeng
Nitrogen reactions

Started by hopelesscemist | Last post by RedViper9 January 21, 2017, 03:59:40 AM

1 Replies
4535 Views
Last post January 21, 2017, 03:59:40 AM
by RedViper9
Nitration of o-cresol

Started by gierczakacc | Last post by Arkcon February 20, 2018, 11:47:56 AM

1 Replies
4612 Views
Last post February 20, 2018, 11:47:56 AM
by Arkcon
chemistry exams

Started by momoho | Last post by Vidya May 30, 2015, 06:20:19 AM

3 Replies
4631 Views
Last post May 30, 2015, 06:20:19 AM
by Vidya
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