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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
46524 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Dimensional Analysis problem

Started by lad03 | Last post by lad03 Today at 01:06:48 AM

5 Replies
167 Views
Last post Today at 01:06:48 AM
by lad03
Photoelectric effect problem

Started by Carol_mrinn | Last post by mjc123 Yesterday at 04:29:52 PM

6 Replies
232 Views
Last post Yesterday at 04:29:52 PM
by mjc123
Determining dissolved oxygen content using Winkler method and modifications

Started by patv22 | Last post by patv22 September 19, 2021, 07:21:59 AM

0 Replies
71 Views
Last post September 19, 2021, 07:21:59 AM
by patv22
Buffer Problem - am I approaching this right?

Started by helplessnerd0402 | Last post by Borek September 18, 2021, 02:56:44 AM

3 Replies
170 Views
Last post September 18, 2021, 02:56:44 AM
by Borek
limiting reactant problem

Started by gratiaux | Last post by Babcock_Hall September 17, 2021, 10:15:43 AM

1 Replies
93 Views
Last post September 17, 2021, 10:15:43 AM
by Babcock_Hall
Am I just dumb or is something wrong...?

Started by Fourlecc | Last post by Fourlecc September 16, 2021, 02:30:33 PM

2 Replies
114 Views
Last post September 16, 2021, 02:30:33 PM
by Fourlecc
Determining Solution Molarity

Started by FionaLove16 | Last post by mjc123 September 13, 2021, 05:29:27 PM

1 Replies
204 Views
Last post September 13, 2021, 05:29:27 PM
by mjc123
Equivalent based questions (Valency Factors)

Started by Win,odd Dhamnekar | Last post by Borek September 13, 2021, 04:19:11 PM

3 Replies
177 Views
Last post September 13, 2021, 04:19:11 PM
by Borek
Problem with the ICE TABLE

Started by the rael walter white | Last post by Borek September 13, 2021, 03:20:27 AM

6 Replies
356 Views
Last post September 13, 2021, 03:20:27 AM
by Borek
Concentration and Mass %

Started by yoyohs | Last post by Orcio_Dojek September 12, 2021, 12:09:26 PM

1 Replies
143 Views
Last post September 12, 2021, 12:09:26 PM
by Orcio_Dojek
AgNO3/EtOH

Started by Idontkn0w | Last post by Idontkn0w September 09, 2021, 03:18:07 PM

0 Replies
154 Views
Last post September 09, 2021, 03:18:07 PM
by Idontkn0w
problem on polymers i can't solve

Started by LucaZombini | Last post by Borek September 07, 2021, 01:00:32 PM

1 Replies
193 Views
Last post September 07, 2021, 01:00:32 PM
by Borek
Oxidation Reduction Problems

Started by asenovkz | Last post by mjc123 September 04, 2021, 09:31:01 AM

2 Replies
288 Views
Last post September 04, 2021, 09:31:01 AM
by mjc123
line-angle representation

Started by Thatgirl1 | Last post by sjb September 03, 2021, 03:54:26 PM

2 Replies
244 Views
Last post September 03, 2021, 03:54:26 PM
by sjb
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