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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
58667 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
13890 Views
Last post March 22, 2014, 12:50:00 PM
by Rutherford
0 Replies
2922 Views
Last post March 08, 2022, 03:44:57 PM
by dolphinsea14
Chemical formula of tooth erosion

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

2 Replies
2978 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
2877 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
3443 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
4057 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
6287 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
3278 Views
Last post December 16, 2020, 05:16:36 AM
by AWK
Baltic Chemistry Competition (online)

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

3 Replies
5018 Views
Last post October 11, 2020, 02:55:06 PM
by Kaspijs
d orbital splitting

Started by bluebunny2020 | Last post by bluebunny2020 March 09, 2020, 03:55:59 PM

0 Replies
2568 Views
Last post March 09, 2020, 03:55:59 PM
by bluebunny2020
Fast method to determine if a compound is polar or non polar

Started by kooryan | Last post by Lifeforbetter January 24, 2020, 10:51:04 AM

2 Replies
2858 Views
Last post January 24, 2020, 10:51:04 AM
by Lifeforbetter
How can I find Taiwan Chemistry Olympiad past papers?

Started by Ev3r3sT | Last post by Ev3r3sT July 02, 2019, 01:00:41 PM

0 Replies
2933 Views
Last post July 02, 2019, 01:00:41 PM
by Ev3r3sT
2020 US National Chemistry Olympiad

Started by trienebutdiene | Last post by trienebutdiene June 23, 2019, 11:00:06 AM

0 Replies
3264 Views
Last post June 23, 2019, 11:00:06 AM
by trienebutdiene
NO2 problem

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

5 Replies
3862 Views
Last post May 03, 2019, 07:55:23 AM
by mjc123
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