September 21, 2021, 12:58:58 PM
Forum Rules: Read This Before Posting


Subject / Started by Last post
0 Members and 1 Guest are viewing this board.
Chemistry Olympiads - links to national competitions problems

Started by Borek « 1 2 » | Last post by jessiemariadass21 July 21, 2019, 06:14:32 AM

18 Replies
49126 Views
Last post July 21, 2019, 06:14:32 AM
by jessiemariadass21
Chemistry Olympiads forum - initial remarks

Started by Borek | Last post by Rutherford March 22, 2014, 12:50:00 PM

1 Replies
12042 Views
Last post March 22, 2014, 12:50:00 PM
by Rutherford
MOVED: One-of-a-kind solution

Started by Borek | Last post by Borek September 14, 2021, 06:38:25 PM

0 Replies
89 Views
Last post September 14, 2021, 06:38:25 PM
by Borek
MOVED: Oxidative/reductive

Started by sjb | Last post by sjb August 18, 2021, 09:02:22 AM

0 Replies
1210 Views
Last post August 18, 2021, 09:02:22 AM
by sjb
Chemical formula of tooth erosion

Started by Dihiya | Last post by Dihiya May 09, 2021, 04:10:28 AM

2 Replies
1236 Views
Last post May 09, 2021, 04:10:28 AM
by Dihiya
Latin American Chemistry Competition (2nd edition)

Started by nicomanno | Last post by nicomanno February 16, 2021, 06:29:20 PM

0 Replies
1175 Views
Last post February 16, 2021, 06:29:20 PM
by nicomanno
Flemish chemistry olympiad question

Started by yuheng_wu | Last post by AWK December 17, 2020, 03:11:12 AM

4 Replies
1468 Views
Last post December 17, 2020, 03:11:12 AM
by AWK
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

6 Replies
1653 Views
Last post December 17, 2020, 02:50:55 AM
by yuheng_wu
Question about coordinate covalent bond

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

2 Replies
2415 Views
Last post December 16, 2020, 02:06:23 PM
by yuheng_wu
Ideal gas law question

Started by yuheng_wu | Last post by AWK December 16, 2020, 05:16:36 AM

3 Replies
1327 Views
Last post December 16, 2020, 05:16:36 AM
by AWK
MOVED: Help with bonding question?

Started by Borek | Last post by Borek December 08, 2020, 10:59:40 AM

0 Replies
1030 Views
Last post December 08, 2020, 10:59:40 AM
by Borek
MOVED: Colors of ions(aq) and substances

Started by Borek | Last post by Borek December 08, 2020, 10:57:23 AM

0 Replies
959 Views
Last post December 08, 2020, 10:57:23 AM
by Borek
MOVED: help me! Mechanism organic chemistry reaction

Started by Borek | Last post by Borek December 08, 2020, 10:56:13 AM

0 Replies
950 Views
Last post December 08, 2020, 10:56:13 AM
by Borek
MOVED: Nitration of o-cresol

Started by Borek | Last post by Borek December 08, 2020, 10:55:42 AM

0 Replies
942 Views
Last post December 08, 2020, 10:55:42 AM
by Borek
MOVED: Chemical formula

Started by Borek | Last post by Borek December 08, 2020, 10:55:03 AM

0 Replies
941 Views
Last post December 08, 2020, 10:55:03 AM
by Borek
Sponsored Links

 

Normal Topic
Hot Topic (More than 5 replies)
Very Hot Topic (More than 10 replies)

Locked Topic
Sticky Topic
Poll