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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
64 154,722
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/...
May7-14 10:06 PM
Awheezi
115 146,911
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 40,984
Hi I need to compare solid working with \frac{1}{2}O_{2}+H_{2}O+2e^{-} \rightarrow 2OH^{-} and...
Dec19-12 04:28 PM
boddhisattva
0 846
Hi, I've recently made some very budget homemade 'beer', butt i'm wondering is there an easy (doesn't have to be...
Jan15-14 04:12 PM
snorkack
16 919
Is there any way to predict how two chemicals will react or is it up to experimentation to discover that? Take salt...
Jul18-09 06:06 PM
Borek
3 4,137
I want to determine whether a solvent layer has water or not. (have: solvent layer + unknown compound(s) dissolved in...
Apr30-09 03:39 PM
chemisttree
10 2,616
How can you determine the ratio of the keto tautomer of a compound to its enol form? I know which functional groups...
Oct30-10 05:19 PM
DDTea
4 3,666
What is the molecular formula of a compound which contains 92.3% carbon and 7.7% hydrogen by mass, if 0.39g of its...
Nov15-04 02:26 AM
chem_tr
4 6,258
I have some field chambers buried in the soil at work here and we collect soil emissions from them at regular...
Feb15-11 09:00 AM
SoilTech
0 1,863
Hi everyone, I need to evaluate parameters (heat capacity, density and thermal conductivity) for some very humid...
Jun30-10 01:14 PM
Expi
1 1,145
I need to create a procedure for doing what the title says. I have researched online, but have not found any way (I...
Feb12-10 03:16 PM
chemisttree
6 2,561
I am in search of a way of determining the colurs of transition metal. Is there any way to find their colours without...
May22-04 03:11 AM
thunderfvck
1 1,448
What is the equivalent weight of ozone molecule? I mean how can I find out the equivalent weight of molecules? Is...
May25-13 06:25 AM
ChiralWaltz
6 1,079
I am trying to figure out how you can get the formula of a compound when you are given mass spec data. The mass...
May3-10 02:35 PM
chemisttree
1 1,715
Lets say I need to predict the number of infrared absorbance peaks that will appear on the IR spectrum of a given...
Jan3-12 04:45 PM
CrimpJiggler
0 2,332
Heres the question: http://img442.imageshack.us/img442/484/sarr.png Firstly does anyone know what Ki is? Ionisation...
Jul27-12 01:18 PM
Ygggdrasil
1 656
In reverse osmosis of salt water, the mesh size in filter determines the size of particles dissolved in the solution...
Oct12-12 09:02 AM
bhaazee
2 989
Hello, This is a matter I have been having some difficulties with for the past few days. My question: How is it...
Oct14-11 03:08 AM
DrStupid
1 2,073
How do i find out which substance has a higher boiling point. Which substance has the higher boiling point?...
Mar9-04 12:02 PM
BLUE_CHIP
2 4,308
Hello all, I am an amateur science fiction writer and am currently working on a novel. I am exploring the...
May13-10 01:45 AM
connectivity
2 1,535
how can i tell if a molecule is dextorotory or levorotory by looking at the 3-d presentation? any thoughts!
Oct27-09 12:19 PM
chemisttree
2 1,375
what happens if u accidentally use regular water to dissolve something u want to electrodeposit later instead of using...
Oct3-09 05:21 AM
Borek
3 1,739
Are there any known materials that will retract significantly when an electric current is run through it? I mean will...
Dec6-05 09:20 PM
scott_alexsk
2 1,201
I heard something that I adopted as a rule some years ago: "Every combustion produces H2O and CO2". I used it blindy...
Oct9-12 06:32 PM
Weissritter
8 2,029
Are there any chemical compounds that include carbon as diamond?
Feb15-08 03:54 PM
chemisttree
4 3,377
Diamond has a tetrahdral shape stucture, an allotrope of carbon with each carbon covalently bonded to 4 others. ...
May13-05 02:50 AM
Gokul43201
1 1,642
An interesting article. Scientists discovered that millions of microscopic diamonds are created and destroyed inside...
Aug21-11 06:56 AM
Constantinos
0 1,385
The bond enthalpies for these bonds are: C-C 347 kJ/mol C-N 276 kJ/mol C-O 351 kJ/mol Why is carbon-nitrogen...
Apr8-14 07:52 AM
sludger13
25 1,226
Hi, I was wondering if anyone can help me understanding how these reactions work. What is happening by adding...
Jun5-13 03:33 AM
Summ
0 690
Okay so the melting points are: (cis,cis) >20 C 287 lambda, (trans,trans)- 110 C and 330 lambda, (cis,trans) 60 C 295...
May2-11 12:34 AM
ericvon11
0 5,023
First off I will say that chemistry is not my field of expertise so bear with me. I am using dichloromethane to...
May19-10 01:37 PM
chemisttree
3 4,770
Well, did you? If so, why?
Dec13-04 12:12 PM
movies
15 3,707
Just to be sure, is this: 2-chloro,4-ethyl heptane ? edit- i noticed i left out the hydrogens in the ethyl,...
Apr24-12 10:30 PM
Cyclopse
4 1,549
did zinc react with zinc sulphate solution
Aug2-06 10:26 AM
lkh1986
2 3,907
Hey guys, we've looked on the net a bit, and we can't seem to find the Dielectric constant for octadecane, if anyone...
Jun15-07 08:34 AM
TKDyl
0 1,748
Hello all of you! I'm looking for reliable data about the dielectric strength (=breakdown field) of liquid...
Aug14-09 10:12 AM
Enthalpy
5 3,466
In diels alder reactions, why does the reaction always occur between the HOMO of the diene, and the LUMO of the...
Oct20-13 10:35 AM
DrDu
1 595
does diels-alder reaction needs any kind of catalist. I know that some catalists are used in assimetric diels alder...
Sep26-06 12:07 AM
Renge Ishyo
1 1,791
So when you have a cyclic diene like cyclopentadiene, you can get either the endo or exo isomer. Secondary orbital...
Dec13-13 03:12 AM
CrimpJiggler
0 919
Why do we have to redissolve the product we get from the reaction of cyclopentadiene with maleic anhydride? Is it to...
Mar11-10 11:47 AM
chemisttree
1 5,038
hello, my name is Jesse and I'm new to the forums. I'm in 10th grade chemistry and i have a question. what is the...
Mar9-08 09:15 AM
russ_watters
4 16,732
Does anyone know where I can find the specific heat capacity of Diethyl Phthalate? I tried google but couldn't find...
Feb22-13 05:40 PM
Yanick
1 628

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