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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.

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Last post by antonioro00071
in Re: Contest problem I do...
on April 03, 2024, 07:36:00 AM

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Chemical Reaction

Started by The futuristic | Last post by Corribus Yesterday at 09:33:46 AM

2 Replies
111 Views
Last post Yesterday at 09:33:46 AM
by Corribus
categorising graphite - network solid, or molecular?

Started by gavindor | Last post by gavindor April 20, 2024, 09:50:37 AM

8 Replies
507 Views
Last post April 20, 2024, 09:50:37 AM
by gavindor
a paradox on finding an Oxidation number

Started by amirziv24 | Last post by Corribus April 17, 2024, 12:11:48 PM

12 Replies
461 Views
Last post April 17, 2024, 12:11:48 PM
by Corribus
Oxidation and reduction reactions for iron rusting

Started by bohojekek | Last post by Hunter2 April 10, 2024, 01:59:42 AM

1 Replies
303 Views
Last post April 10, 2024, 01:59:42 AM
by Hunter2
What does the filled circle in the skeletal formula represent?

Started by bakirtzis | Last post by Babcock_Hall April 06, 2024, 02:12:34 PM

2 Replies
359 Views
Last post April 06, 2024, 02:12:34 PM
by Babcock_Hall
A simple question

Started by zehsphyr | Last post by zehsphyr April 02, 2024, 10:54:31 AM

5 Replies
582 Views
Last post April 02, 2024, 10:54:31 AM
by zehsphyr
Seeking Help: Predicting Precipitate Formation in a Chemical Reaction

Started by BwBarracuda | Last post by Borek April 01, 2024, 01:50:00 PM

3 Replies
400 Views
Last post April 01, 2024, 01:50:00 PM
by Borek
spectator ion question

Started by gavindor | Last post by Hunter2 March 31, 2024, 04:03:39 AM

13 Replies
939 Views
Last post March 31, 2024, 04:03:39 AM
by Hunter2
Aluminium Sulphate

Started by The futuristic | Last post by Hunter2 March 28, 2024, 02:58:09 AM

4 Replies
754 Views
Last post March 28, 2024, 02:58:09 AM
by Hunter2
Calculating NaCl concentration

Started by jeffmoonchop | Last post by Borek March 27, 2024, 11:03:49 AM

3 Replies
467 Views
Last post March 27, 2024, 11:03:49 AM
by Borek
is this question incomplete? calculating percent yield

Started by lilyyyyy | Last post by Babcock_Hall March 27, 2024, 08:47:46 AM

2 Replies
436 Views
Last post March 27, 2024, 08:47:46 AM
by Babcock_Hall
electrochemistry - galvanic cell consutrction

Started by limez | Last post by Hunter2 March 25, 2024, 09:50:16 AM

1 Replies
356 Views
Last post March 25, 2024, 09:50:16 AM
by Hunter2
Sulfuric Acid Characteristic

Started by The futuristic | Last post by Hunter2 March 25, 2024, 07:03:36 AM

1 Replies
444 Views
Last post March 25, 2024, 07:03:36 AM
by Hunter2
Is this a bronsted acid and base, but without these features

Started by gavindor « 1 2 » | Last post by gavindor March 22, 2024, 05:22:16 AM

27 Replies
2434 Views
Last post March 22, 2024, 05:22:16 AM
by gavindor
Please help me with this buffer question.

Started by Dnjaka | Last post by Hunter2 March 21, 2024, 07:25:16 PM

1 Replies
374 Views
Last post March 21, 2024, 07:25:16 PM
by Hunter2
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