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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
56278 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Why same compound show peak at different retention times during GCMS?

Started by brilinta | Last post by Babcock_Hall December 02, 2022, 01:34:52 PM

2 Replies
123 Views
Last post December 02, 2022, 01:34:52 PM
by Babcock_Hall
Thin Layer Chromatography - No Standard

Started by trichocereus | Last post by trichocereus November 19, 2022, 01:58:44 PM

0 Replies
201 Views
Last post November 19, 2022, 01:58:44 PM
by trichocereus
Transparent, tasteless, odorless, soluble in water substance

Started by LabGuy | Last post by jeffmoonchop November 26, 2022, 09:31:39 AM

2 Replies
279 Views
Last post November 26, 2022, 09:31:39 AM
by jeffmoonchop
What type of training is required for a biochemist?

Started by dylanpaye | Last post by dylanpaye November 01, 2022, 11:48:31 PM

0 Replies
382 Views
Last post November 01, 2022, 11:48:31 PM
by dylanpaye
Extraction Help

Started by Mccora | Last post by Orcio_87 November 11, 2022, 04:18:51 PM

1 Replies
389 Views
Last post November 11, 2022, 04:18:51 PM
by Orcio_87
Concept Help

Started by Card1ologist | Last post by Card1ologist November 13, 2022, 03:26:38 PM

4 Replies
409 Views
Last post November 13, 2022, 03:26:38 PM
by Card1ologist
Does metallic iron dissolve in water?

Started by sharbeldam | Last post by Enthalpy November 24, 2022, 08:28:06 PM

11 Replies
422 Views
Last post November 24, 2022, 08:28:06 PM
by Enthalpy
TBTU

Started by Xera | Last post by Hunter2 November 09, 2022, 03:54:42 PM

1 Replies
431 Views
Last post November 09, 2022, 03:54:42 PM
by Hunter2
Question regarding ΔG° and ΔG

Started by asheys666 | Last post by Enthalpy April 01, 2020, 07:13:24 AM

1 Replies
495 Views
Last post April 01, 2020, 07:13:24 AM
by Enthalpy
1 Replies
495 Views
Last post September 01, 2020, 07:56:50 AM
by Enthalpy
Properties of Solutions

Started by tida1 | Last post by Babcock_Hall November 16, 2020, 03:06:55 PM

1 Replies
495 Views
Last post November 16, 2020, 03:06:55 PM
by Babcock_Hall
GROUP THEORY

Started by chloeathertonx | Last post by Corribus April 01, 2020, 12:30:52 PM

1 Replies
497 Views
Last post April 01, 2020, 12:30:52 PM
by Corribus
how to predict redox potentials of Fe-Alg complexes?

Started by Petorin | Last post by Petorin October 23, 2020, 07:27:32 AM

0 Replies
497 Views
Last post October 23, 2020, 07:27:32 AM
by Petorin
Undergraduate Lab Work/practicals

Started by Calypso224 | Last post by AWK October 26, 2020, 05:08:35 PM

1 Replies
498 Views
Last post October 26, 2020, 05:08:35 PM
by AWK
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