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Problem of the Week Archive

Collection of all our problem of the week threads.

667 Posts
57 Topics
Last post by Borek
in Re: Not a problem of the...
on November 19, 2017, 12:34:32 AM
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Stoichiometry calculator Borek 3 23851 Last post December 31, 2018, 08:39:30 AM
by wildfyr
Why are polymers more prone to creep than metals? fahadii 0 1652 Last post April 24, 2009, 08:14:24 PM
by fahadii
Themodynamics question leve 0 1777 Last post April 25, 2009, 09:47:22 AM
by leve
Phase Diagrams zirconian 0 1372 Last post May 05, 2009, 11:08:01 PM
by zirconian
Help With Children's Substance libits 0 1434 Last post May 10, 2009, 04:08:47 PM
by libits
Determination of COD using Open reflux method patski 0 5415 Last post May 12, 2009, 09:53:07 PM
by patski
Levels due to the paschen-back effect Rioting_Pacifist 0 1895 Last post May 13, 2009, 07:15:40 AM
by Rioting_Pacifist
Rusting of iron nail skyranger 0 2511 Last post May 14, 2009, 04:48:40 AM
by skyranger
amount ferroin of in Belousov-Zhabotinsky reaction h8adfh98 0 1515 Last post May 14, 2009, 10:22:34 AM
by h8adfh98
Types of Flow in Pharmaceuticals boostar 0 1931 Last post May 23, 2009, 11:56:34 PM
by boostar
trans-dichloroethene wee__ally1 0 2249 Last post May 24, 2009, 02:53:36 AM
by wee__ally1
quick help please on organometallic chemistry, rogue_chapatti 0 1706 Last post May 28, 2009, 04:15:11 AM
by rogue_chapatti
Ways for estimation of glucose and glycerol? lonesurvivor 0 2060 Last post June 05, 2009, 03:30:42 AM
by lonesurvivor
periodic table beyond the seventh period hackett 0 1792 Last post June 07, 2009, 08:01:05 AM
by hackett
The preparation of PbI2 from Galena (PbS) Oblihatni 0 4926 Last post June 07, 2009, 08:10:24 AM
by Oblihatni
Gas Composition ifuller 0 1386 Last post June 16, 2009, 07:00:22 AM
by ifuller
Alcohol Oxidation Rate + Protein Concentration koreanboba 0 2552 Last post June 30, 2009, 03:13:03 PM
by koreanboba
Online chemistry lab preparing standards help? Gweedo8 0 2159 Last post July 01, 2009, 12:28:25 PM
by Gweedo8
chemistr yrearch question sammy123 0 1568 Last post July 05, 2009, 03:28:33 PM
by sammy123
Online lectures Stephen 0 1915 Last post July 13, 2009, 09:28:32 AM
by Stephen
Humidity and Water Capacity of Gases ifuller 0 1631 Last post July 14, 2009, 07:52:09 AM
by ifuller
Reversible and Irreversible Processes Staccato09 0 1636 Last post July 21, 2009, 05:56:47 PM
by Staccato09
Nickel concentration in copper and the strength of the alloy siobhan3221 0 1477 Last post July 28, 2009, 01:11:51 AM
by siobhan3221
Using the Nernst equation & calculating new concentration angelxstyl 0 6420 Last post July 29, 2009, 11:16:50 PM
by angelxstyl
Change in entropy, etc akxt 0 2982 Last post July 30, 2009, 12:11:01 PM
by akxt
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