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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
38229 Views
Last post December 31, 2018, 02:39:30 PM
by wildfyr
Hydrogen Chloride gas

Started by candiishop « 1 2 3 4 » | Last post by Mitch June 11, 2006, 11:43:00 AM

59 Replies
39376 Views
Last post June 11, 2006, 11:43:00 AM
by Mitch
How do I calculate enthalpy and entropy of this really complicated problem?

Started by webassignbuddy « 1 2 3 4 » | Last post by Corribus October 23, 2013, 05:52:33 PM

57 Replies
18022 Views
Last post October 23, 2013, 05:52:33 PM
by Corribus
Carbonic Acid and Salts Lab

Started by MilchstrabeStern « 1 2 3 4 » | Last post by Borek September 08, 2005, 03:47:17 AM

47 Replies
30162 Views
Last post September 08, 2005, 03:47:17 AM
by Borek
pH of Solutions

Started by specialk08 « 1 2 3 4 » | Last post by specialk08 October 07, 2011, 12:01:31 PM

45 Replies
19905 Views
Last post October 07, 2011, 12:01:31 PM
by specialk08
pH / buffer question

Started by biobufferguy « 1 2 3 4 » | Last post by Borek March 28, 2014, 12:36:37 PM

45 Replies
19545 Views
Last post March 28, 2014, 12:36:37 PM
by Borek
Bond Angles Help

Started by Joules23 « 1 2 3 » | Last post by Alpha-Omega January 07, 2008, 08:26:00 AM

39 Replies
53016 Views
Last post January 07, 2008, 08:26:00 AM
by Alpha-Omega
Equilibria and Mass Balance

Started by mx4ly « 1 2 3 » | Last post by Borek February 25, 2012, 12:52:18 PM

38 Replies
17825 Views
Last post February 25, 2012, 12:52:18 PM
by Borek
37 Replies
33574 Views
Last post April 22, 2009, 03:19:03 AM
by sssssaaaallmaan
redox equations having trouble figuring this out

Started by granite350 « 1 2 3 » | Last post by Albert April 26, 2006, 04:50:57 PM

36 Replies
19876 Views
Last post April 26, 2006, 04:50:57 PM
by Albert
Equilibrium mole problem

Started by Big-Daddy « 1 2 3 » | Last post by Big-Daddy September 28, 2013, 09:54:18 AM

36 Replies
13980 Views
Last post September 28, 2013, 09:54:18 AM
by Big-Daddy
electrolysis of water using diffrent catalysis.

Started by aarothepharo « 1 2 3 » | Last post by Mark Imisides July 18, 2008, 08:37:14 AM

34 Replies
20699 Views
Last post July 18, 2008, 08:37:14 AM
by Mark Imisides
Titration - pH at equivalence point

Started by refid « 1 2 3 » | Last post by refid July 01, 2006, 07:19:19 PM

33 Replies
43420 Views
Last post July 01, 2006, 07:19:19 PM
by refid
33 Replies
19469 Views
Last post March 09, 2008, 04:44:19 PM
by enahs
Tricky Thermodynamics Problem. about calorimetry

Started by GrNz « 1 2 3 » | Last post by SAMMY January 10, 2011, 05:20:26 PM

33 Replies
16778 Views
Last post January 10, 2011, 05:20:26 PM
by SAMMY
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