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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 4 25277 Last post March 12, 2019, 03:57:01 AM
by KristinW
caesium-133 duuude 0 2518 Last post March 18, 2007, 05:42:01 AM
by duuude
Electrolysis Violet89 2 1939 Last post May 08, 2013, 04:59:45 PM
by iamback
(Preparation of solutions and dilutions) tm975 4 3464 Last post February 28, 2012, 09:48:57 PM
by Borek
A 0.50 mol sample of oxygen gas is confined a 0° C in a cylinder. The initial p Bjc51192 1 5646 Last post March 08, 2011, 05:00:33 PM
by opti384
A 35.0mL sample of 0.150M Acetic Acid is titrated with 0.150M NaOH solution. unsavedhero 9 7423 Last post March 16, 2014, 11:14:55 PM
by DrCMS
AAS prac sample prep question PaintYourFuture 2 1968 Last post March 30, 2012, 07:51:48 PM
by PaintYourFuture
Atomic Mass Question dshipp17 2 1647 Last post June 11, 2017, 11:36:21 AM
by dshipp17
buffer solution Ibin-Huan 2 2079 Last post July 03, 2012, 09:03:46 AM
by Borek
Chemical reactions/acid base reactions help on questions i got wrong, please sam12103 2 3490 Last post October 14, 2009, 12:23:59 PM
by djiang87
Condensation Polymerisation help, question in description mynameisbobbyj 6 3065 Last post May 12, 2012, 11:13:11 PM
by Borek
Coordination Polymerisation Clanouper 0 1094 Last post November 06, 2014, 09:28:46 PM
by Clanouper
describing bond between elements.. transgalactic 4 3866 Last post January 28, 2009, 12:58:24 PM
by TheJoker
Does heating water to say 50 degrees celcius make it more acidic or more basic? jubba 7 9248 Last post September 19, 2005, 11:14:14 AM
by charco
electrochemistry question i need help with portugal 5 2214 Last post August 25, 2007, 09:45:04 PM
by Borek
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