Qualifying for Chem Olympiad

Started by Ben Cohen | Last post by XGen April 14, 2012, 02:46:22 PM

NO2 problem

Started by oque | Last post by mjc123 May 03, 2019, 07:55:23 AM

USNCO Preparation

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

Seminars and Olympiads for pupils-high school (chemistry)

Started by stefanserbia | Last post by stefanserbia June 13, 2007, 11:27:30 AM

Can someone tell me what I'm doing wrong here? (calculation)

Started by yuheng_wu | Last post by yuheng_wu December 17, 2020, 02:50:55 AM

Please help me understand fusion.

Started by Loael | Last post by Sunil Simha March 24, 2013, 08:37:42 AM

Titration Math

Started by CKabes | Last post by Borek January 03, 2013, 03:48:13 AM

Preparation

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

Tricky Acid base question

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

Shielding?

Started by Sophia7X | Last post by cheese (MSW) May 24, 2012, 12:46:02 AM

Practice problem 1

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

Cycloaddition chemistry question (INChO 2007 Q4)

Started by savy2020 | Last post by savy2020 January 20, 2010, 08:48:10 PM

Movement of Electrons

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

Chemistry competitions

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

icho 2014 participants

Started by momoho | Last post by pocantheses October 27, 2014, 10:13:32 PM