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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
46740 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
11066 Views
Last post March 22, 2014, 12:50:00 PM
by Rutherford
Chemical formula of tooth erosion

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

2 Replies
216 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
348 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
501 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
544 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
1070 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
361 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
302 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
240 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
225 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
219 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
218 Views
Last post December 08, 2020, 10:55:03 AM
by Borek
MOVED: Analytical chemistry

Started by Borek | Last post by Borek December 08, 2020, 10:53:10 AM

0 Replies
216 Views
Last post December 08, 2020, 10:53:10 AM
by Borek
MOVED: Organic Reaction

Started by Borek | Last post by Borek December 08, 2020, 10:52:38 AM

0 Replies
202 Views
Last post December 08, 2020, 10:52:38 AM
by Borek
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