October 16, 2019, 06:48:40 PM
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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

Subject / Started by Last post
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Stoichiometry calculator

Started by Borek | Last post by KristinW March 12, 2019, 09:57:01 AM

4 Replies
33242 Views
Last post March 12, 2019, 09:57:01 AM
by KristinW
Chem1 homework question

Started by Krusinek | Last post by Krusinek Today at 05:52:02 PM

0 Replies
15 Views
Last post Today at 05:52:02 PM
by Krusinek
Writing chemical reactions

Started by id1oteque | Last post by AWK Yesterday at 04:17:27 PM

1 Replies
57 Views
Last post Yesterday at 04:17:27 PM
by AWK
COH4 disolved in water

Started by Revrim | Last post by AWK Yesterday at 11:48:26 AM

2 Replies
97 Views
Last post Yesterday at 11:48:26 AM
by AWK
Theoretical yield issue

Started by murmelburmel | Last post by murmelburmel Yesterday at 11:35:12 AM

4 Replies
128 Views
Last post Yesterday at 11:35:12 AM
by murmelburmel
Can sb please help me ?

Started by Romenumeral | Last post by sjb October 14, 2019, 07:46:11 AM

3 Replies
85 Views
Last post October 14, 2019, 07:46:11 AM
by sjb
trend of atomic size in inner transitional elements?

Started by mana | Last post by mana October 14, 2019, 04:16:12 AM

0 Replies
42 Views
Last post October 14, 2019, 04:16:12 AM
by mana
Copper Sulfide Reaction Post Lab

Started by ortrocad | Last post by AWK October 12, 2019, 04:54:34 AM

2 Replies
121 Views
Last post October 12, 2019, 04:54:34 AM
by AWK
Buffer preparation

Started by pyngjls | Last post by Babcock_Hall October 11, 2019, 09:21:31 AM

2 Replies
129 Views
Last post October 11, 2019, 09:21:31 AM
by Babcock_Hall
Extractions

Started by Jstub | Last post by Jstub October 10, 2019, 04:08:08 PM

2 Replies
91 Views
Last post October 10, 2019, 04:08:08 PM
by Jstub
How does MoO4 serve as a catalyst in the iodine clock reaction

Started by ferretman25 | Last post by Borek October 09, 2019, 01:27:16 PM

1 Replies
127 Views
Last post October 09, 2019, 01:27:16 PM
by Borek
Yttrium-Arsenic-Selenium

Started by labeled | Last post by Enthalpy October 09, 2019, 06:49:44 AM

3 Replies
178 Views
Last post October 09, 2019, 06:49:44 AM
by Enthalpy
H2O vs H2S basicity

Started by xshadow | Last post by xshadow October 07, 2019, 06:14:21 AM

2 Replies
196 Views
Last post October 07, 2019, 06:14:21 AM
by xshadow
Partial Pressure problem

Started by as0422 | Last post by AWK October 06, 2019, 05:09:51 PM

6 Replies
289 Views
Last post October 06, 2019, 05:09:51 PM
by AWK
Coordination Chemisty Reaction

Started by Sarthiyah | Last post by AWK October 04, 2019, 08:35:05 AM

3 Replies
190 Views
Last post October 04, 2019, 08:35:05 AM
by AWK
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