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Jan16-12 Greg Bernhardt
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
jackmell
64 157,779
chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable: http://www.webelements.com/...
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,522
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,836
Some complex/man made molecules decompose so as to leave detectable components. The detection of these components may...
Jul13-07 12:58 PM
chemisttree
3 1,297
Does anyone here know a quantitative test for fluoride ions in solution? Titrations or colorimetry are ideal. Any...
Feb14-12 02:53 AM
hyurnat4
0 1,297
HI, I've been reading up about these and see it mentioned but never why. Is it because they emit λ in the same λ...
Nov6-11 02:58 PM
Whalstib
0 1,296
I was reading this post regarding meat preservation. ...
Mar13-12 01:12 AM
cbwerner
3 1,296
This question may sound a bit odd, but is there a relatively simple way(by simple, I mean inexpensive) to determine...
Jul6-12 07:35 PM
MrSid
2 1,296
Does anyone know any good tutorials for 2nd row hybridization orbitals? And MO diagrams? Any help is appreciated.
Sep27-08 08:03 PM
Footballer010
0 1,295
I need to find out this kind of wax: -it's solid hard in room temperature (it needs a knife to be cut), but also...
Feb11-09 02:42 AM
homechemist
7 1,295
I think that it is essential for us to take a look at all the equipment that makes it easy for us to solve all the...
Dec28-09 12:08 PM
Monique
1 1,295
I thought it was only ΔG which varied by temperature,with the equation ΔG = ΔH - TΔS ? It makes no sense to me why...
Nov30-12 03:31 AM
Nikitin
6 1,295
We've been doing syntheses for a little bit in class and I just can't get these. I'm having trouble taking the final...
Apr21-08 03:44 PM
chemisttree
1 1,294
So whats happening is a high speed polymerization reaction initiated by the action of laser light. An infrared...
May11-09 01:05 PM
EIRE2003
2 1,294
Hi everyone, I'm a nuclear engineering student so my chemistry knowledge is limited to a couple of courses in first...
Dec22-12 02:22 PM
DrDu
5 1,294
What about the molecules and bonds of transition metals make them (such as gold) such good conductors? I'm in AP...
Dec9-04 05:42 PM
The Bob
7 1,293
Photographic film contains a thin layer of silver bromide (AgBr) Crystals. When the light hits the film. Electrons are...
Jun21-11 02:30 AM
Borek
1 1,293
Hello everyone, I've been reading up on electrochemistry and trying to make the connection from chemistry theory to...
Jan17-12 02:46 AM
Borek
5 1,293
I'm new to this forum, I am studying in grade 9 and I am working on my electrolysis project but I had trouble...
Aug9-12 02:10 PM
Drakkith
6 1,293
If we have an acid-base aqueous equilibrium system and decide to treat the concentration of H2O as a variable, does it...
Apr7-13 06:19 PM
Darwin123
8 1,293
Hi all, For a science project, I'm using mist, created by an ultrasonic humidifier. An ultrasonic humidifier uses...
Aug21-13 03:46 AM
arnoke
2 1,293
Pardon my ignorance please, but they never taught us about that in school. I've never seen any mention in any of the...
Sep1-12 12:19 PM
ViolentCorpse
3 1,292
I've lost track of this book. It must be 15 years old by now. But I really want to find it. Too bad I don't even...
Mar23-08 09:20 AM
DaveC426913
2 1,291
Can we measure COD in Mol/Litres?
May5-12 01:47 PM
Borek
1 1,291
why is there no trend in the way group ii metals react with oxygen or air? Some books say there is no trend but give...
Jan16-10 05:37 AM
Desconcertado
0 1,290
when i add mannitol into water, the solution has opalescence. Does the solution forms colloid? Then how should I do to...
Jun8-13 10:34 PM
phildukephd
3 1,290
Hi everyone ,, Am doing a project and I want to light coal with matches only ,, I have 2 Ideas only , mix coal...
Jun16-13 12:43 PM
Jobrag
7 1,290
I know a Lindlar catalyst will cause syn addition of hydrogens to an alkyne and then stop at an alkene, but what about...
Dec14-12 09:43 PM
AGNuke
1 1,289
After esterification, can the ester be separated from other liquids using fractional distillation?
May27-05 09:43 AM
GCT
3 1,288
what is the molecular formula of nitrite
May2-10 05:19 PM
Borek
4 1,288
Hello Guys, well, we -people here in my district in Egypt- are planning to clean the districts and doing some...
Feb19-11 02:56 PM
Silex7
2 1,288
What do the indices 6 and 13 stand for in 6,13-pentacenequinone? I know that is related to the position of the...
Jul5-11 01:03 PM
Pete99
2 1,288
Applying a little hippie to chemistry, suppose there are two H (hydrogen) atoms that are at a distance apart that each...
Jul29-11 03:01 AM
Levi Tate
0 1,288
I believe that many chemistry undergrads have misconceptions about basic concepts such as the octet rule. I wanted to...
Aug9-12 09:48 PM
Einstein Mcfly
7 1,288
NONE OF IT MAKES ANY SENSE!! For example: If we divide the molar coefficients all by 2, then we raise the...
Nov6-11 10:25 AM
Borek
3 1,287
Is this chemical reaction correct? Is such a reaction possible? K4Fe(CN)6 3H2O + K2CO3 --> 6KCN + CO2 + FeO +...
Jan31-12 10:43 PM
Dr_Morbius
2 1,287
Ok, So I am a junior chemistry major doing organic research, but my question hasn't really occured in organic lab and...
May1-12 12:33 PM
Borek
1 1,286
Will atomized kerosene (that is, kerosene as mist in air), with a proper stoichiometric ratio in an environment of 1-2...
Aug8-12 11:33 AM
guss
4 1,286
Hi, I'm trying to understand why the Hess's law process which resembles addition of equations is used as opposed to...
Aug29-12 01:48 PM
pa5tabear
3 1,285
I have 4 somewhat unknown samples of neoprene (different types and thicknesses). Is there a good source for data on...
Sep28-06 12:53 PM
wxrocks
0 1,284
A(g) <--- <--- 2B(g) + C(g) When 1.00mol of A is placed in a 4.00L container at temperature t, the...
May5-05 12:28 PM
campa
5 1,283
A while back I recall reading an article regarding artificially forcing electron particle waves into the surrounding...
Oct29-09 03:48 PM
chemisttree
2 1,283
OK, I never worried or thought on this till yesterday, and I would like an answer if someone knows. When you open a...
Apr27-10 03:54 PM
alxm
1 1,283

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