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Problem of the Week Archive

Collection of all our problem of the week threads.

670 Posts
59 Topics

Last post by wildfyr
in MOVED: Synthesis of N-Ac...
on January 04, 2020, 11:44:41 AM

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Stoichiometry calculator

Started by Borek | Last post by wildfyr December 31, 2018, 02:39:30 PM

3 Replies
38635 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Why is Chromium Pentafluoride the only Cr 5+ halide?

Started by Squirrelz | Last post by Squirrelz Today at 04:49:05 AM

0 Replies
33 Views
Last post Today at 04:49:05 AM
by Squirrelz
MOVED: Frosted nail paint

Started by sjb | Last post by sjb August 03, 2020, 03:47:20 AM

0 Replies
37 Views
Last post August 03, 2020, 03:47:20 AM
by sjb
Intermolecular Forces HELP (2 questions)

Started by sharethewealth | Last post by Babcock_Hall Today at 09:33:32 AM

2 Replies
60 Views
Last post Today at 09:33:32 AM
by Babcock_Hall
How does Magic Shell ice cream topping work?

Started by ManyQuestions | Last post by ManyQuestions April 25, 2020, 08:38:04 AM

0 Replies
86 Views
Last post April 25, 2020, 08:38:04 AM
by ManyQuestions
Aspen plus

Started by Sagnik12 | Last post by Sagnik12 April 24, 2020, 04:37:53 PM

0 Replies
99 Views
Last post April 24, 2020, 04:37:53 PM
by Sagnik12
Leaching of soybean oil from flaked soybeans with hexane

Started by Ferdinand1202 | Last post by Ferdinand1202 June 08, 2020, 10:33:39 AM

0 Replies
113 Views
Last post June 08, 2020, 10:33:39 AM
by Ferdinand1202
Three dimensional shape of Fe(SCN)(H2O)52+

Started by Lilyelli | Last post by Lilyelli April 23, 2020, 05:34:11 AM

0 Replies
115 Views
Last post April 23, 2020, 05:34:11 AM
by Lilyelli
0 Replies
117 Views
Last post May 28, 2020, 10:54:38 AM
by hasm273
Partition Chromatography Question

Started by Calcium1808 | Last post by Calcium1808 April 27, 2020, 08:27:37 AM

0 Replies
119 Views
Last post April 27, 2020, 08:27:37 AM
by Calcium1808
Thermodynamics- Freshman chemistry course question

Started by Sp_loa | Last post by Enthalpy August 03, 2020, 04:56:01 AM

2 Replies
128 Views
Last post August 03, 2020, 04:56:01 AM
by Enthalpy
GROUP THEORY

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

1 Replies
129 Views
Last post April 01, 2020, 12:30:52 PM
by Corribus
MOVED: Help Solving Conversion Problems

Started by sjb | Last post by sjb March 15, 2020, 04:24:19 AM

0 Replies
132 Views
Last post March 15, 2020, 04:24:19 AM
by sjb
MOVED: Chemistry of Guitar

Started by Borek | Last post by Borek March 26, 2020, 10:58:24 AM

0 Replies
133 Views
Last post March 26, 2020, 10:58:24 AM
by Borek
Electrochemistry Problem

Started by hilsenna | Last post by mjc123 August 01, 2020, 04:06:58 PM

3 Replies
134 Views
Last post August 01, 2020, 04:06:58 PM
by mjc123
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