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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

Subject / Started by Last post
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Stoichiometry calculator

Started by Borek | Last post by Borek October 05, 2024, 01:43:18 PM

7 Replies
71107 Views
Last post October 05, 2024, 01:43:18 PM
by Borek
Molecular Electron Configuration

Started by eding | Last post by Corribus October 18, 2024, 10:03:40 AM

1 Replies
287 Views
Last post October 18, 2024, 10:03:40 AM
by Corribus
pls help

Started by eispojreiajrpo | Last post by Borek October 05, 2024, 05:28:48 PM

1 Replies
1035 Views
Last post October 05, 2024, 05:28:48 PM
by Borek
Calorimetry in Thermochemistry

Started by Kilojoule.kJ | Last post by Borek October 05, 2024, 09:51:14 AM

2 Replies
874 Views
Last post October 05, 2024, 09:51:14 AM
by Borek
need help in my diy fire gel experiment

Started by micro97 | Last post by Borek September 30, 2024, 12:11:45 PM

1 Replies
1055 Views
Last post September 30, 2024, 12:11:45 PM
by Borek
What can go into the equilibrium constant expression?

Started by Santiago_1989 | Last post by Borek September 22, 2024, 10:54:57 AM

2 Replies
1399 Views
Last post September 22, 2024, 10:54:57 AM
by Borek
Non-significant digit rounding

Started by tk9 | Last post by Borek September 21, 2024, 05:09:53 PM

2 Replies
1375 Views
Last post September 21, 2024, 05:09:53 PM
by Borek
Question on the NO2/N2O4 equilibrium

Started by czmtzyddl | Last post by Borek September 19, 2024, 02:52:16 AM

6 Replies
1702 Views
Last post September 19, 2024, 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
1706 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
1408 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
1449 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
1940 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
2561 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
2933 Views
Last post August 09, 2024, 05:08:24 AM
by Borek
0 Replies
2323 Views
Last post August 05, 2024, 09:29:50 AM
by sd79812
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