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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 2 21158 Last post January 06, 2015, 04:01:01 AM
by Borek
A thought experiment on s orbitals AdiDex 1 70 Last post Today at 09:31:21 AM
by Borek
Need help calculating the frequency of an absorbed photon Baronwalrus1 1 127 Last post Today at 03:44:35 AM
by Enthalpy
Synthesis of Grignard Reagent dennisinned 2 107 Last post Yesterday at 11:46:35 PM
by dennisinned
Laws of multiple Proportions Bc2117 1 109 Last post Yesterday at 09:18:22 PM
by Borek
Purifying for NMR without Resynthesis pineapplegod 2 211 Last post September 22, 2018, 03:54:04 PM
by wildfyr
Precision of Lab Equipment Question ChargePositive 2 181 Last post September 22, 2018, 09:48:59 AM
by ChargePositive
Hybridization of oxygen in CO2 confusedstud 0 98 Last post September 22, 2018, 01:01:54 AM
by confusedstud
MOVED: Theoretical Yield sjb 0 124 Last post September 19, 2018, 09:52:05 PM
by sjb
Solid State Dharsh 5 522 Last post September 19, 2018, 08:35:52 AM
by Enthalpy
Official guidelines for the weight of water lost5ever 1 259 Last post September 17, 2018, 12:51:28 PM
by wildfyr
Which of the following compounds won't rotate plane polarised light owlpower 3 301 Last post September 17, 2018, 02:07:47 AM
by sjb
Find the extinction coefficient for FeNCS^2+ using transmittance data jackrobertwilliamson 1 228 Last post September 16, 2018, 09:16:36 AM
by chenbeier
Gas stoichiometry Question edsmart 10 492 Last post September 16, 2018, 09:04:04 AM
by edsmart
Solubility at Chemical Equilibrium platypus1234 1 307 Last post September 14, 2018, 03:05:07 AM
by Borek
Insuline jimc 2 603 Last post September 13, 2018, 08:29:17 PM
by jimc
Iminesulfate niiels93 3 365 Last post September 12, 2018, 10:11:12 PM
by niiels93
When do the charges of compounds not matter? chlowoform 1 351 Last post September 10, 2018, 08:44:50 PM
by Borek
Effect of changing 2-chloro-2-methylpropane to 1-bromopropane unistudent1 2 375 Last post September 10, 2018, 04:28:08 AM
by Babcock_Hall
Chemical Kinetics and decomposition motherofcorgs 2 403 Last post September 10, 2018, 04:27:11 AM
by Babcock_Hall
Biochemistry Question « 1 2 » CAFOzevl 28 9820 Last post September 09, 2018, 11:35:35 AM
by mayleekin
MOVED: suggestion for biochemistry books Borek 0 236 Last post September 08, 2018, 07:14:46 AM
by Borek
Lactic acid fermentation question BryanC 7 673 Last post September 08, 2018, 05:26:00 AM
by Babcock_Hall
Help in understanding the metabolic pathways of a cell BryanC 3 467 Last post September 07, 2018, 12:04:50 PM
by Babcock_Hall
Why gold is yellow? Orbital contraction?? saeho 6 813 Last post September 05, 2018, 09:15:16 PM
by Enthalpy
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