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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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*delete me*! what's causing my weird spectrophotometer readings?

Started by lunchly | Last post by lunchly Yesterday at 10:46:49 PM

0 Replies
23 Views
Last post Yesterday at 10:46:49 PM
by lunchly
How to count how many mass units of a compound undergoes a reaction?

Started by anyoan1 | Last post by Borek Yesterday at 01:43:50 PM

1 Replies
64 Views
Last post Yesterday at 01:43:50 PM
by Borek
Mass spectrometry A level

Started by plasos | Last post by Borek November 19, 2024, 10:12:43 AM

2 Replies
176 Views
Last post November 19, 2024, 10:12:43 AM
by Borek
What silver solutions will reduce with copper?

Started by Grizzly Road | Last post by Hunter2 November 19, 2024, 02:05:42 AM

1 Replies
131 Views
Last post November 19, 2024, 02:05:42 AM
by Hunter2
Any idea?

Started by Virs1959 | Last post by Hunter2 November 18, 2024, 12:24:24 AM

1 Replies
162 Views
Last post November 18, 2024, 12:24:24 AM
by Hunter2
Doubt plastic rubber

Started by jonas8732 | Last post by Borek November 17, 2024, 03:29:55 AM

12 Replies
535 Views
Last post November 17, 2024, 03:29:55 AM
by Borek
Ionization energy vs electron affinity

Started by rentj | Last post by Borek November 16, 2024, 03:34:44 AM

1 Replies
181 Views
Last post November 16, 2024, 03:34:44 AM
by Borek
Luminol + Hydrogen Peroxide Solution not glowing?

Started by Maisinxy | Last post by Maisinxy November 14, 2024, 11:05:44 AM

13 Replies
611 Views
Last post November 14, 2024, 11:05:44 AM
by Maisinxy
Extracting Ethanol From Beer.

Started by jabbay | Last post by Borek November 12, 2024, 02:59:58 AM

1 Replies
256 Views
Last post November 12, 2024, 02:59:58 AM
by Borek
Anhydrous Sodium Hypochlorite?

Started by ignoic | Last post by marquis November 11, 2024, 12:31:32 PM

3 Replies
374 Views
Last post November 11, 2024, 12:31:32 PM
by marquis
The voltage of the voltaic pile

Started by chingu | Last post by Meter November 05, 2024, 02:18:20 PM

2 Replies
479 Views
Last post November 05, 2024, 02:18:20 PM
by Meter
Unfinished high school Chem question

Started by biting | Last post by Meter November 03, 2024, 09:56:18 AM

2 Replies
745 Views
Last post November 03, 2024, 09:56:18 AM
by Meter
Is there an intermediate steps for this reaction?

Started by Lilac12 | Last post by Borek November 02, 2024, 02:38:35 PM

1 Replies
622 Views
Last post November 02, 2024, 02:38:35 PM
by Borek
electronics plastic

Started by jonas8732 | Last post by marquis October 28, 2024, 12:55:27 PM

9 Replies
1604 Views
Last post October 28, 2024, 12:55:27 PM
by marquis
How many atoms are in 100g of phosphorus vapour

Started by vekete | Last post by Borek October 28, 2024, 03:29:58 AM

1 Replies
1046 Views
Last post October 28, 2024, 03:29:58 AM
by Borek
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