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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
38747 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
General Chemistry practice question

Started by Melo | Last post by AWK Yesterday at 03:02:38 AM

2 Replies
98 Views
Last post Yesterday at 03:02:38 AM
by AWK
General Chemistry practice question

Started by IslamAK | Last post by Babcock_Hall August 13, 2020, 09:30:18 PM

2 Replies
137 Views
Last post August 13, 2020, 09:30:18 PM
by Babcock_Hall
Calculate the equilibrium concentration of CO2 in beer

Started by sci0x « 1 2 » | Last post by MNIO August 12, 2020, 08:32:06 PM

21 Replies
860 Views
Last post August 12, 2020, 08:32:06 PM
by MNIO
Suspension

Started by VillAPI | Last post by VillAPI August 09, 2020, 06:35:32 PM

0 Replies
90 Views
Last post August 09, 2020, 06:35:32 PM
by VillAPI
Why is Chromium Pentafluoride the only Cr 5+ halide?

Started by Squirrelz | Last post by Enthalpy August 07, 2020, 04:48:48 PM

1 Replies
132 Views
Last post August 07, 2020, 04:48:48 PM
by Enthalpy
Intermolecular Forces HELP (2 questions)

Started by sharethewealth | Last post by Babcock_Hall August 07, 2020, 09:33:32 AM

2 Replies
170 Views
Last post August 07, 2020, 09:33:32 AM
by Babcock_Hall
Thermodynamics- Freshman chemistry course question

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

2 Replies
241 Views
Last post August 03, 2020, 04:56:01 AM
by Enthalpy
MOVED: Frosted nail paint

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

0 Replies
87 Views
Last post August 03, 2020, 03:47:20 AM
by sjb
Electrochemistry Problem

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

3 Replies
221 Views
Last post August 01, 2020, 04:06:58 PM
by mjc123
Making a solution

Started by _jess_ | Last post by _jess_ August 01, 2020, 09:57:22 AM

7 Replies
266 Views
Last post August 01, 2020, 09:57:22 AM
by _jess_
9 Replies
396 Views
Last post July 31, 2020, 11:50:38 PM
by darklordsuperior
molar percentage oxygen at high temperature

Started by joincyberspace | Last post by MNIO July 27, 2020, 03:22:37 PM

1 Replies
218 Views
Last post July 27, 2020, 03:22:37 PM
by MNIO
Concentration of H+ ion

Started by Weixin | Last post by Borek July 23, 2020, 10:25:40 AM

1 Replies
240 Views
Last post July 23, 2020, 10:25:40 AM
by Borek
Hydride Bonding question

Started by sparrowling | Last post by sparrowling July 19, 2020, 12:23:19 PM

0 Replies
244 Views
Last post July 19, 2020, 12:23:19 PM
by sparrowling
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