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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.

752 Posts
118 Topics

Last post by dolphinsea14
in Where I can find the sol...
on March 08, 2022, 03:44:57 PM

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Calculate the oxidation state of Cr(ClO3)3 and others

Started by al220007 | Last post by Hunter2 November 23, 2022, 12:10:19 PM

4 Replies
195 Views
Last post November 23, 2022, 12:10:19 PM
by Hunter2
Finding required volume

Started by NotSoBrightGuy | Last post by Borek November 13, 2022, 10:46:11 AM

3 Replies
262 Views
Last post November 13, 2022, 10:46:11 AM
by Borek
Explain metaloid bonds without words

Started by Alifor | Last post by Borek October 20, 2022, 08:30:54 AM

1 Replies
302 Views
Last post October 20, 2022, 08:30:54 AM
by Borek
Identifying Metals and vitamins in a substance

Started by Maxim | Last post by Borek November 03, 2022, 06:17:48 PM

1 Replies
310 Views
Last post November 03, 2022, 06:17:48 PM
by Borek
Standard Molar Enthalpies of Chemicals

Started by jasian | Last post by Enthalpy October 24, 2022, 07:01:47 AM

2 Replies
311 Views
Last post October 24, 2022, 07:01:47 AM
by Enthalpy
Hi I have tons of questions

Started by metromondaze | Last post by Borek October 19, 2022, 03:13:39 AM

1 Replies
313 Views
Last post October 19, 2022, 03:13:39 AM
by Borek
3 Replies
368 Views
Last post October 18, 2022, 06:19:06 PM
by Borek
Why in the equation E=v/d E units are coulomb

Started by darkwizard267787 | Last post by mjc123 October 28, 2022, 03:06:53 PM

3 Replies
395 Views
Last post October 28, 2022, 03:06:53 PM
by mjc123
Saponification value calculation

Started by yeggywon | Last post by yeggywon January 26, 2020, 04:39:04 AM

0 Replies
411 Views
Last post January 26, 2020, 04:39:04 AM
by yeggywon
I need any help I can get

Started by CBDutyG | Last post by Borek January 19, 2021, 07:20:46 AM

1 Replies
414 Views
Last post January 19, 2021, 07:20:46 AM
by Borek
Chemical Energy

Started by ojnixon | Last post by Borek January 26, 2021, 06:54:03 PM

1 Replies
414 Views
Last post January 26, 2021, 06:54:03 PM
by Borek
Questions about redox reactions (electrolytic cells and corrosion)

Started by BCKTHUNd | Last post by Vidya February 19, 2021, 08:26:13 AM

1 Replies
414 Views
Last post February 19, 2021, 08:26:13 AM
by Vidya
Soap making lab using the bases KOH and NaOH

Started by Vinsmoke IV | Last post by billnotgatez February 25, 2021, 12:17:12 AM

1 Replies
414 Views
Last post February 25, 2021, 12:17:12 AM
by billnotgatez
Understanding induction in acid-base reactions

Started by millefiori | Last post by millefiori March 06, 2021, 06:45:45 PM

2 Replies
415 Views
Last post March 06, 2021, 06:45:45 PM
by millefiori
Stoichiometry

Started by Chaybud10 | Last post by Meter February 11, 2021, 12:04:05 PM

1 Replies
416 Views
Last post February 11, 2021, 12:04:05 PM
by Meter
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