cambridge challenge (c3l6)

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

Chemistry Olympiad - laboratory at home

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

IChO

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

National Chemistry Olympiad

Started by Bolt0612 | Last post by sjb March 12, 2019, 03:04:35 AM

The first problem

Started by Radu | Last post by Rutherford March 25, 2014, 04:06:02 PM

Nitrogen reactions

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

Syllabus for IChO

Started by georgetian3 | Last post by Borek February 18, 2018, 03:33:26 AM

Analytical chemistry

Started by oque | Last post by Borek August 16, 2019, 06:43:53 PM

Nitration of o-cresol

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

Kinetics

Started by oque | Last post by Babcock_Hall August 08, 2019, 10:56:05 AM

Dissociation degree calculation from Ka1 Ka2 and H+

Started by willy.Jonathan.12 | Last post by Borek September 02, 2014, 06:16:01 PM

Chemistry competitions

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

Organic chemistry competitions ?

Started by davidenarb | Last post by Vidya August 21, 2014, 12:14:57 PM

USNCO Preparation

Started by boomvoom4000 | Last post by Vidya September 01, 2014, 12:03:33 AM