Preparation

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

Practice problem 1

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

book for chemistry Olympiad

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

IChO

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

Chemistry competitions

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

USNCO National Exam 2003 problem 43

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

Tricky Acid base question

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

Chemistry Olympiad - laboratory at home

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

Help with bonding question?

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

who we are? *delete me*

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

Water Phase Changes

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

Kinetics of an (overall) negative 1st order reaction

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

Nitrogen reactions

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

Nitration of o-cresol

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

chemistry exams

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