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Chemistry Olympiads - links to national competitions problems
Started by Borek « 1 2 » | Last post by Vidya May 12, 2023, 10:48:37 PM |
18 Replies
80729 Views |
May 12, 2023, 10:48:37 PM by Vidya |
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Chemistry Olympiads forum - initial remarks
Started by Borek | Last post by Rutherford March 22, 2014, 12:50:00 PM |
1 Replies
21107 Views |
March 22, 2014, 12:50:00 PM by Rutherford |
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MOVED: Mass% and average molecular weight
Started by Borek | Last post by Borek September 23, 2024, 03:58:06 AM |
0 Replies
2734 Views |
September 23, 2024, 03:58:06 AM by Borek |
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How do I calculate the pH of a 0.1 M solution of (N2H5) (HSO4)?
Started by dolphinsea14 | Last post by Borek July 15, 2024, 04:27:50 PM |
3 Replies
5175 Views |
July 15, 2024, 04:27:50 PM by Borek |
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Hess Law's
Started by happyangela | Last post by sjb May 11, 2024, 12:18:20 PM |
2 Replies
6588 Views |
May 11, 2024, 12:18:20 PM by sjb |
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Contest problem I don't know how to solve. I'm exercising for a contest.
Started by antonioro00071 | Last post by antonioro00071 April 03, 2024, 07:36:00 AM |
2 Replies
6340 Views |
April 03, 2024, 07:36:00 AM by antonioro00071 |
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Where I can find the solutions to the preparatory problems for ICHO 2022?
Started by dolphinsea14 | Last post by dolphinsea14 March 08, 2022, 03:44:57 PM |
0 Replies
9583 Views |
March 08, 2022, 03:44:57 PM by dolphinsea14 |
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Chemical formula of tooth erosion
Started by Dihiya | Last post by Dihiya May 09, 2021, 04:10:28 AM |
2 Replies
9603 Views |
May 09, 2021, 04:10:28 AM by Dihiya |
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Latin American Chemistry Competition (2nd edition)
Started by nicomanno | Last post by nicomanno February 16, 2021, 06:29:20 PM |
0 Replies
9107 Views |
February 16, 2021, 06:29:20 PM by nicomanno |
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Flemish chemistry olympiad question
Started by yuheng_wu | Last post by AWK December 17, 2020, 03:11:12 AM |
4 Replies
10465 Views |
December 17, 2020, 03:11:12 AM by AWK |
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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
11417 Views |
December 17, 2020, 02:50:55 AM by yuheng_wu |
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Question about coordinate covalent bond
Started by yuheng_wu | Last post by yuheng_wu December 16, 2020, 02:06:23 PM |
2 Replies
14926 Views |
December 16, 2020, 02:06:23 PM by yuheng_wu |
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Ideal gas law question
Started by yuheng_wu | Last post by AWK December 16, 2020, 05:16:36 AM |
3 Replies
9845 Views |
December 16, 2020, 05:16:36 AM by AWK |
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Baltic Chemistry Competition (online)
Started by Kaspijs | Last post by Kaspijs October 11, 2020, 02:55:06 PM |
3 Replies
12583 Views |
October 11, 2020, 02:55:06 PM by Kaspijs |
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d orbital splitting
Started by bluebunny2020 | Last post by bluebunny2020 March 09, 2020, 03:55:59 PM |
0 Replies
8418 Views |
March 09, 2020, 03:55:59 PM by bluebunny2020 |
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