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NO2 problem

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

5 Replies
2618 Views
Last post May 03, 2019, 07:55:23 AM
by mjc123
The first problem

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

1 Replies
3054 Views
Last post March 25, 2014, 04:06:02 PM
by Rutherford
Would anyone be interested in a chemistry olympiad prep discord server?

Started by kimion | Last post by kimion March 03, 2019, 03:46:05 PM

3 Replies
3210 Views
Last post March 03, 2019, 03:46:05 PM
by kimion
Olympiad-style university problems

Started by Big-Daddy | Last post by Big-Daddy September 14, 2013, 09:33:24 PM

0 Replies
3321 Views
Last post September 14, 2013, 09:33:24 PM
by Big-Daddy
Electro-chemistry

Started by Science geek | Last post by Science geek July 16, 2015, 12:45:48 PM

0 Replies
3332 Views
Last post July 16, 2015, 12:45:48 PM
by Science geek
Practice problem 2

Started by discodermolide | Last post by discodermolide April 23, 2014, 10:36:53 PM

2 Replies
3336 Views
Last post April 23, 2014, 10:36:53 PM
by discodermolide
Baltic Chemistry Competition (online)

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

3 Replies
3591 Views
Last post October 11, 2020, 02:55:06 PM
by Kaspijs
Organic chemistry competitions ?

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

1 Replies
3685 Views
Last post August 21, 2014, 12:14:57 PM
by Vidya
Acid base

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

2 Replies
3774 Views
Last post June 11, 2015, 06:11:11 AM
by T
Question about coordinate covalent bond

Started by yuheng_wu | Last post by yuheng_wu December 16, 2020, 02:06:23 PM

2 Replies
3910 Views
Last post December 16, 2020, 02:06:23 PM
by yuheng_wu
Re: 2nd problem IChO

Started by momoho | Last post by Rutherford April 13, 2014, 11:07:59 AM

3 Replies
3916 Views
Last post April 13, 2014, 11:07:59 AM
by Rutherford
Electron Affinity Series

Started by sn1sn2e1e2 | Last post by mjc123 March 27, 2014, 09:34:15 AM

2 Replies
4001 Views
Last post March 27, 2014, 09:34:15 AM
by mjc123
Practice problem 5

Started by Rutherford | Last post by Rutherford April 30, 2014, 02:54:49 PM

4 Replies
4019 Views
Last post April 30, 2014, 02:54:49 PM
by Rutherford
Qualifying for Chem Olympiad

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

2 Replies
4049 Views
Last post April 14, 2012, 02:46:22 PM
by XGen
cambridge challenge (c3l6)

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

1 Replies
4074 Views
Last post April 22, 2014, 05:26:40 PM
by Big-Daddy
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