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Problem of the Week Archive

Collection of all our problem of the week threads.

668 Posts
58 Topics

Last post by Borek
in Re: Chemistry
on October 12, 2019, 04:03:28 AM

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Stoichiometry calculator

Started by Borek | Last post by wildfyr December 31, 2018, 02:39:30 PM

3 Replies
69218 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Question on the NO2/N2O4 equilibrium

Started by czmtzyddl | Last post by Borek Yesterday at 02:52:16 AM

6 Replies
319 Views
Last post Yesterday at 02:52:16 AM
by Borek
Electrochemistry problem: Nickel-Iron Battery

Started by Thermofox | Last post by Borek September 17, 2024, 10:33:45 AM

10 Replies
320 Views
Last post September 17, 2024, 10:33:45 AM
by Borek
Help with chemistry and empirical formulas

Started by Katerinne | Last post by Borek September 17, 2024, 05:45:18 AM

1 Replies
159 Views
Last post September 17, 2024, 05:45:18 AM
by Borek
Nitrobenzene reduction using Tin and Hydrochloric Acid mechanism

Started by auto4590 | Last post by Borek September 07, 2024, 02:54:36 AM

1 Replies
332 Views
Last post September 07, 2024, 02:54:36 AM
by Borek
Oxidation of oxalate

Started by rentj | Last post by Babcock_Hall August 18, 2024, 10:52:59 AM

1 Replies
805 Views
Last post August 18, 2024, 10:52:59 AM
by Babcock_Hall
Extraction of Potassium from Potassium Iodide

Started by urend | Last post by billnotgatez August 12, 2024, 01:09:58 PM

4 Replies
1575 Views
Last post August 12, 2024, 01:09:58 PM
by billnotgatez
Sugar solutions

Started by teffe | Last post by Borek August 09, 2024, 05:08:24 AM

2 Replies
1981 Views
Last post August 09, 2024, 05:08:24 AM
by Borek
0 Replies
1448 Views
Last post August 05, 2024, 09:29:50 AM
by sd79812
why don't d-orbitals split themselves, why does it take a ligand?

Started by sd79812 | Last post by sd79812 August 04, 2024, 03:54:52 PM

0 Replies
1530 Views
Last post August 04, 2024, 03:54:52 PM
by sd79812
Dimensions of Wavefunction

Started by yesort | Last post by Corribus August 03, 2024, 10:31:47 AM

4 Replies
2054 Views
Last post August 03, 2024, 10:31:47 AM
by Corribus
Valence shell of transition metals definition is what? (

Started by sd79812 | Last post by Hunter2 August 03, 2024, 04:01:19 AM

1 Replies
1505 Views
Last post August 03, 2024, 04:01:19 AM
by Hunter2
Chemistry for engineers (Bond Energy)

Started by gigiiiii_ | Last post by Hunter2 August 02, 2024, 05:58:23 AM

1 Replies
1480 Views
Last post August 02, 2024, 05:58:23 AM
by Hunter2
How is part of this stackexchange.com answer relevant to the question?

Started by sd79812 | Last post by sd79812 August 01, 2024, 12:29:25 PM

0 Replies
1301 Views
Last post August 01, 2024, 12:29:25 PM
by sd79812
3 Replies
2047 Views
Last post July 24, 2024, 06:34:14 AM
by sd79812
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