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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
0 41,842
chemical, latex, typeset Sticky Thread Pinned: Chemical LaTeX typeset ( 1 2 3 ... Last)
Physicsforums now has a very cool feature, which enables complex typesetting for formulas or equations! A tutorial...
Jul7-13 04:53 PM
64 157,797
chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable:
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,550
Dear All, Kindly guide me with easiest titration procedure to konw the following in pickling bath for galvanizing...
Jul20-11 05:44 PM
Mohammed Baba
0 1,323
My A level Chemistry textbook defines Lattice Energy as "the enthalpy change when 1 mole of an ionic compound is...
Jul24-14 11:16 PM
7 2,634
According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode...
Jul20-14 02:13 PM
1 2,451
Why is Ksp not defined for soluble salts? Also, when an equilibrium is established between the solid, undissolved salt...
Jul28-14 04:28 AM
2 1,674
According to my A level Chemistry text book, the presence of the O atom in a C=O bond in any carboxylic acid (CH3COOH,...
Aug25-14 03:54 PM
2 175
can anyone help me to find solvent to dissolve the Paraffin wax which i have? i need to knoe what type of solvent can...
Aug25-11 05:43 AM
4 14,319
Hello! I am researching on bio-plastics and have created bio-plastics out of two waste products. In order...
Jul8-14 11:43 PM
6 2,799
when calculating the osmotic pressure of a solution with 0.03M ammonium sulfate and 0.04M i need to add...
Nov15-09 05:30 AM
1 1,643
I am fractionally distilling ethanol out of solution. I have done this with a Snyder column (3-ball)and most of my...
Dec20-10 06:12 PM
4 2,194
Please help me find the equation for ibuprofen! I can't find it anywhere, I am doing a project for school.
Mar10-08 08:23 PM
1 2,241
okay well basically this is what i know or think i know: i have the pKa's of the carboxyl, amino, and R group of...
Oct18-12 10:52 PM
0 1,460
Could someone refresh my mind how I can deduce which molecule is an oxidator or reducer and wether something is...
Sep28-03 05:03 PM
7 6,452
Who can calculate the meltingpoint for me of a mixture of metals with 40% Sn and 60% Pb?
Oct9-03 11:12 PM
11 6,981
A while ago AXE came out with a new anti-hangover showergel. I don't understand these advertisement people.. it...
Dec8-05 10:51 AM
9 3,769 "for discoveries concerning channels in cell membranes" ...
Dec15-03 07:27 PM
4 2,847
Nernst equation: \DeltaG = -2.3 RT log10 \frac{C_o}{C_i} + zFV R = 1.98x10-3 kcal/K mole T = absolute...
Jan4-04 02:04 PM
23 10,603
NADH, why is this reduced molecule a strong electron donor (it likes to give its electrons away)? The instability has...
Jan8-04 03:07 PM
8 5,068
Published in Science, researchers decribe how they have made a molecule that is made up of three interlocking rings,...
Jun9-04 01:46 PM
1 1,880
What is the best way to etch copper with house hold materials? It is for making print plates.
Mar15-05 08:59 PM
4 2,671
For a hydrogen/deuterium exchange experiment, the protein of interest is first incubated at pD = 7, after which it is...
Mar21-05 05:25 PM
2 1,704
And the Nobel prize went to... the discovery of the green fluorescent protein (GFP). ...
Oct19-08 08:51 PM
2 1,800
The Nobel Prize in Chemistry 2009 was awarded "for studies of the structure and function of the ribosome"!...
Oct7-09 05:54 PM
2 1,249
How to choose an adequate reference electrode and what is the principal mechanism?
Feb13-12 08:02 AM
2 1,177
I was browsing the net and I found these awesome notes online! They have diagrams, formulas, and alot of cool stuff. ...
Jan12-10 03:34 AM
0 11,711
I have tried a quick scan of the web for general information relating to the depression of melting points and found...
Apr1-09 02:48 PM
1 1,058
In another thread (under Dr. Kaku's EXPLORATIONS program page, the thread about the idea of a "Space Elevator"), the...
Sep27-04 10:51 AM
3 3,728
can degree of freedom and phase rule be applied to organic reactions,is it possible to degree of freedom above 3?
May30-09 12:57 PM
3 2,054
I did an experiment in my Chem II class that required finding the equilibrium constant for this reaction Fe3+ +...
Mar16-08 11:29 PM
1 2,722
Apologies. I tried to use Latex but I haven't gotten it down quite yet The powerful chlorinating agent sulfuryl...
Apr1-08 08:40 PM
0 1,038
Hi Are there any protons that do not show up on proton NMR as I am analysing an NMR spec (of a known molecule but I...
Jun21-10 02:24 PM
5 5,621
Hi Does anyone know why acetic anhydride has 2 IR bands at 1760 and 1820? If you look it up in a table it says they...
Jun30-10 01:33 PM
13 14,430
Hi Why does a bond stretch or vibration have to cause a change in dipole moment to be IR active? Presumably all...
Jul9-10 10:39 AM
5 7,588
Hi Why does Ni only form NiO with oxidation state of +2 whereas the other transition metals form a wide range of...
Jul13-10 02:19 AM
1 2,212
Hi What is the reaction of calcium carbonate and water. I thought it was insoluble but I was looking up some notes...
Aug21-10 09:06 AM
14 35,823
Hi If you were making MgO by heating Mg in a crucible with a lid on, why might the MgO escape when you lift the...
Aug13-10 01:24 AM
21 6,790
Hi I guess the title says it all. Why does heat start a combustion reaction? Why does a spark start a...
Aug20-10 01:53 PM
20 6,701
Hi When you burn paper dipped in ethanol why doesn't the paper catch fire? I would have thought that the energy...
Oct4-10 11:57 PM
29 7,850
Hi Can anyone recommend any tools for creating resources for teaching chemistry and molecular sciences? I used...
Aug12-10 01:52 AM
6 2,293
Hi I'm trying to review some fundamental chemistry and I want to make sure I understand the difference between a...
Aug12-10 07:53 AM
2 1,118
Hi I'm just wondering how other life forms on different planets might be able to evolve. Some of my thoughts: 1)...
Sep5-10 06:44 AM
2 1,370

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