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Problem of the Week Archive

Collection of all our problem of the week threads.

669 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
58456 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Ionic Equation Question

Started by chickennuggetman225 | Last post by Borek Yesterday at 03:18:02 PM

1 Replies
75 Views
Last post Yesterday at 03:18:02 PM
by Borek
Lab Question

Started by dja01 | Last post by DrCMS March 13, 2023, 06:16:18 AM

1 Replies
456 Views
Last post March 13, 2023, 06:16:18 AM
by DrCMS
Rate Law/Rate Constant calculations

Started by boodles | Last post by Hunter2 March 12, 2023, 04:12:07 PM

5 Replies
306 Views
Last post March 12, 2023, 04:12:07 PM
by Hunter2
1 Replies
301 Views
Last post March 11, 2023, 01:19:51 PM
by Borek
pH and ionization of drugs

Started by Luckenberg99 | Last post by Luckenberg99 March 06, 2023, 09:06:11 AM

6 Replies
2721 Views
Last post March 06, 2023, 09:06:11 AM
by Luckenberg99
Extraction of Potassium from Potassium Iodide

Started by PvtPrometheus | Last post by PvtPrometheus March 03, 2023, 02:47:00 PM

2 Replies
561 Views
Last post March 03, 2023, 02:47:00 PM
by PvtPrometheus
Will soy sauce and barium carbonate react chemically?

Started by cjemistry888 | Last post by Hunter2 March 01, 2023, 08:37:54 AM

3 Replies
1258 Views
Last post March 01, 2023, 08:37:54 AM
by Hunter2
How can I determine polyphenol tannin content by titration?

Started by Ahsas126 | Last post by Ahsas126 February 15, 2023, 06:21:46 PM

0 Replies
1370 Views
Last post February 15, 2023, 06:21:46 PM
by Ahsas126
Does metallic iron dissolve in water?

Started by sharbeldam « 1 2 » | Last post by Corribus February 14, 2023, 04:15:11 PM

18 Replies
2588 Views
Last post February 14, 2023, 04:15:11 PM
by Corribus
Does efficiency of recrystalization change with relative concentration of impuri

Started by pcm81 | Last post by pcm81 February 13, 2023, 09:12:31 PM

0 Replies
1032 Views
Last post February 13, 2023, 09:12:31 PM
by pcm81
Phosporic Acid Leaching followed by neutralisation

Started by soosenbinder99 | Last post by Enthalpy February 13, 2023, 03:08:12 PM

4 Replies
857 Views
Last post February 13, 2023, 03:08:12 PM
by Enthalpy
How much energy is released when Hydrogen is combusted with Oxygen?

Started by John Bushnell | Last post by Enthalpy February 11, 2023, 08:42:22 AM

2 Replies
945 Views
Last post February 11, 2023, 08:42:22 AM
by Enthalpy
5 Replies
1269 Views
Last post January 31, 2023, 04:38:04 AM
by orthotraces
Solving K Equilibrium constant equation

Started by Slavvo | Last post by mjc123 January 12, 2023, 05:21:41 PM

3 Replies
1086 Views
Last post January 12, 2023, 05:21:41 PM
by mjc123
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