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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 24621 Last post December 31, 2018, 08:39:30 AM
by wildfyr
Here we go again: Galvanic cells hnes 12 576 Last post Yesterday at 02:59:57 AM
by hnes
Enthalpy of Reaction for Fermentation of Glucose happychappie1700 4 186 Last post Yesterday at 02:37:26 AM
by mjc123
aqueous solutions magnus 10 583 Last post February 19, 2019, 09:02:00 PM
by AWK
Reaction rate exam question Pdillon843 1 100 Last post February 19, 2019, 11:38:46 AM
by Borek
Esterification: preparing n-amyl acetate. Why is K2CO3 added? PterodactylTrex 1 124 Last post February 18, 2019, 11:01:46 AM
by AWK
Strange assertion in text-book: Electrochemistry hnes 2 175 Last post February 16, 2019, 11:39:01 PM
by hnes
balance of matter with chemical reaction DionisioDD 1 139 Last post February 16, 2019, 10:31:14 PM
by chenbeier
Mixing Chelated Ca, Epsom Salt and Water 5pace 1 167 Last post February 16, 2019, 12:59:42 AM
by AWK
Hydronium is the strongest proton donor in aqueous solution triffid 0 156 Last post February 15, 2019, 10:53:13 AM
by triffid
Polymer formulation calculation MOF 1 158 Last post February 15, 2019, 01:44:32 AM
by chenbeier
Substance left after evaporation- is it a new chemical? puddi_puddi 2 169 Last post February 14, 2019, 08:57:51 PM
by AWK
Equilibrium problem Woogymiogna 5 556 Last post February 14, 2019, 01:06:01 PM
by AWK
Orbitals for the H atom? TheManatee 2 192 Last post February 14, 2019, 12:56:33 AM
by Enthalpy
Precipitation reaction kdbmvp 4 172 Last post February 13, 2019, 11:57:10 PM
by kdbmvp
Just an Intriguing Inquiry vagabond201 1 199 Last post February 12, 2019, 04:55:36 PM
by wildfyr
increasing the stoichiometric coefficients magnus 6 431 Last post February 12, 2019, 02:10:14 AM
by mjc123
Rates of removal/production and slope calculation TheArmchairSkeptic 6 579 Last post February 11, 2019, 04:01:28 PM
by TheArmchairSkeptic
Dilution Question alyyx 2 218 Last post February 11, 2019, 01:49:37 PM
by Vidya
strongest reducing agent magnus 6 457 Last post February 11, 2019, 01:41:53 PM
by Vidya
Finding Pressures and Temperatures of a Combustion Reaction SpagBol 2 241 Last post February 10, 2019, 02:27:20 PM
by Enthalpy
Decomposition of an inorganic salt hydrate RustedGuy 1 165 Last post February 10, 2019, 04:35:54 AM
by chenbeier
yield % magnus 11 416 Last post February 08, 2019, 10:48:07 PM
by magnus
ACS citation help Duveng1 2 250 Last post February 08, 2019, 10:09:29 AM
by Corribus
APT 13C NMR DutchTyler 1 198 Last post February 08, 2019, 04:09:33 AM
by Corribus
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