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Chemistry Olympiad and other competitions

Preparing to Chemistry Olympiad or any other competition? That's the place to ask your question.

763 Posts
122 Topics

Last post by Borek
in MOVED: Mass% and average...
on September 23, 2024, 03:58:06 AM

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Last post Today at 03:24:54 AM
by Cesardiapy
Please help me with this buffer question.

Started by sotann | Last post by Corribus Yesterday at 07:43:52 PM

1 Replies
51 Views
Last post Yesterday at 07:43:52 PM
by Corribus
Problem with Moles

Started by odivis | Last post by Borek October 14, 2024, 02:54:29 AM

1 Replies
271 Views
Last post October 14, 2024, 02:54:29 AM
by Borek
Doubt sponge EVA

Started by jonas8732 | Last post by Borek October 13, 2024, 02:16:04 PM

1 Replies
260 Views
Last post October 13, 2024, 02:16:04 PM
by Borek
If you had to add 54 elements to the periodic table, how would you do it?

Started by VynnyV | Last post by DrCMS October 07, 2024, 12:09:39 PM

2 Replies
798 Views
Last post October 07, 2024, 12:09:39 PM
by DrCMS
Ngp or external SN2

Started by Zayan | Last post by Zayan October 04, 2024, 11:45:27 AM

0 Replies
727 Views
Last post October 04, 2024, 11:45:27 AM
by Zayan
LCP and water

Started by fletcoli | Last post by Borek September 26, 2024, 05:18:56 AM

2 Replies
1159 Views
Last post September 26, 2024, 05:18:56 AM
by Borek
Mass% and average molecular weight

Started by Jaime7078 | Last post by Borek September 23, 2024, 04:01:59 AM

3 Replies
1486 Views
Last post September 23, 2024, 04:01:59 AM
by Borek
Na + water reaction

Started by rentj | Last post by Corribus September 21, 2024, 10:28:15 AM

2 Replies
1439 Views
Last post September 21, 2024, 10:28:15 AM
by Corribus
Magnesium and hydrochloric acid rate law

Started by RandomDude1234 | Last post by mjc123 September 11, 2024, 09:15:54 AM

1 Replies
1787 Views
Last post September 11, 2024, 09:15:54 AM
by mjc123
Interhalogen single displacement

Started by rentj | Last post by Borek September 11, 2024, 06:12:52 AM

1 Replies
1527 Views
Last post September 11, 2024, 06:12:52 AM
by Borek
Rules to balance a O3 in a chemical reactions.

Started by Rishi9068 | Last post by Borek September 10, 2024, 04:21:43 PM

2 Replies
1464 Views
Last post September 10, 2024, 04:21:43 PM
by Borek
Difference between Molar Mass and Relative Molecular Mass

Started by Shiningstar | Last post by Hunter2 September 06, 2024, 03:40:12 AM

1 Replies
1539 Views
Last post September 06, 2024, 03:40:12 AM
by Hunter2
Metal displacement oxidation number

Started by rentj | Last post by Corribus September 05, 2024, 05:42:14 PM

2 Replies
1514 Views
Last post September 05, 2024, 05:42:14 PM
by Corribus
How to make sodium

Started by johnuu | Last post by Meter September 05, 2024, 07:58:23 AM

2 Replies
1481 Views
Last post September 05, 2024, 07:58:23 AM
by Meter
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