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Chemistry

- The study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical...
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Jan16-12 Greg Bernhardt
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
116 151,502
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
64 158,806
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 42,171
The humidity of air is influenced in part by temperature, in that the higher the temperature, the higher the capacity...
Mar29-08 09:54 PM
Woodnyet
3 2,185
Question Details: We know that del G=del H - T(del S) if del H is positive and del S is negative then del G is...
Mar29-08 08:01 AM
lightarrow
6 17,297
I've been trying to determine the concentration of a vegie oil (0.9 g/mL) in dilute(~2,4 w%) oil-water emulsions that...
Mar28-08 01:59 PM
chemisttree
1 1,109
In the 18th century methane was made from carbon dioxide (from the air) and hydrogen (from water) and used as the fuel...
Mar28-08 07:16 AM
JGK
12 45,734
I am using castic as heating / Cooling media for the reactors in my lab. MOC of my reactor and pipeline is CS. Can any...
Mar28-08 07:15 AM
snr.sr2006
4 9,087
Hi- What is molecular level? I am running into questions that ask for such and such to be explained on a molecular...
Mar27-08 09:12 AM
bjoyful
4 19,387
Hello! The question about which oil that is the best to fry in, or to deep-fry in, should be examined, if it hasn't...
Mar26-08 07:37 PM
TriKri
4 4,357
hii i need aprogram to render the 3D & 2D of some atomes and mouloculers like ...etc
Mar25-08 07:05 PM
Gokul43201
1 980
I'm having some trouble understanding what happens when Zinc and Hydrochloric acid are reacted with Copper Sulfate as...
Mar25-08 09:21 AM
Kushal
9 41,400
Hello, I'm working on a 4 stage 14kj railgun and want to make a nice display for some of the people that have helped...
Mar23-08 12:59 PM
ea6b607
2 920
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 1,300
How long can one store dimethyl sulfoxide (DMSO) or methylsulfonylmethane (MSM)?
Mar22-08 06:23 PM
Moonbear
1 3,226
Many of the chemical laws/concepts we deal with which relate some number to the 'quantity' of the reactants and/or...
Mar22-08 10:59 AM
Mapes
2 2,572
Does anyone know of a website that has good redox tutorials?
Mar21-08 06:12 PM
Paulo2014
0 1,461
I am trying to replace the I on m-iodobenzylguanidine with SH. Any ideas? Jesse
Mar21-08 09:36 AM
jjaynes
4 1,268
What's the purpose of the regulated helium source going into the solvent reservoirs in HPLC? Is it just to degas the...
Mar20-08 08:55 PM
chemisttree
1 2,733
for my titration at school i need to create a sodium carbonate solution do i need to heat up the water or can i...
Mar20-08 12:36 PM
JGK
3 8,913
Out of 0.1 M HCl and 0.1 M NaOH, which one is potentially more hazardous to your eyes?
Mar20-08 03:45 AM
lightarrow
5 4,452
hi guys, i know something about math and physics and a lot about electronics and signal processing, but chemistry...
Mar19-08 12:32 AM
rbj
15 5,447
I am new to this so I don't know if I am doing this right, I have some questions. In the building I work they put 1c....
Mar18-08 08:43 PM
rwolo
4 7,324
anyone here is good at organic spectroscopy ?? I really need help with NMR spec > < thanks alot !!!!!!
Mar17-08 10:47 PM
chemisttree
6 1,461
in terms of pka and tautomers if a base has a pka of 3.8 with a ph below and above the pka would the amino or imino...
Mar17-08 05:58 AM
sinemcik
3 1,987
I did an experiment in my Chem II class that required finding the equilibrium constant for this reaction Fe3+ +...
Mar16-08 11:29 PM
symbolipoint
1 2,730
I heard that batteries can affect soil. I wanted to examine this and started to investigate into this problem. I did...
Mar16-08 05:13 PM
LtStorm
3 6,373
I'm currently doing a little research in PCM for asbestos ID. My background is in chemistry and I've had to wade...
Mar15-08 07:10 AM
lightarrow
12 2,949
http://www.thalesnano.com/products/h-cube Hopefully I can convince the boss to buy one of those puppies. They...
Mar14-08 03:36 PM
chemisttree
4 3,365
Hi all, I dont know if this is in the right place, but anyway hopefully someone maybe able to help. Im stuck on a...
Mar13-08 04:09 AM
adam112
3 1,392
If a person drank methanol, they would go blind, and their breathalyser analysis (in units of mg/100 mL blood) would...
Mar12-08 02:55 PM
chemisttree
1 2,930
I keep hearing different things about what exactly the letter R represents in organic chemical structures. Does the R...
Mar12-08 01:56 PM
lightarrow
2 30,332
hi i have the following reaction isobutyric acid + 2-methoxyethanol <-> 2-methoxyethyl-2-methylpropanoate but...
Mar12-08 08:48 AM
~christina~
5 28,663
So, I did 5 labs where I burned certain things and found the temp. diff. in the calorimeter. That said, I...
Mar11-08 11:55 PM
LtStorm
3 1,413
Hi all, I'm currently in the works of experimenting and writing up my Extended Essay on Chemistry for the IB (it is...
Mar11-08 04:22 PM
chemisttree
1 3,598
let's say we have an electrolytic cell with a copper (II) nitrate solution. a copper rod is the anode and a lead rod...
Mar11-08 09:45 AM
buknoy
14 2,977
Hi I was wondering if you guys know any VERY cool labs I could use? I want to demonstrate the lab to my student body...
Mar10-08 10:02 PM
gravenewworld
4 1,383
I'm confused as to what alcohols really are. I keep reading that an alcohol is an "ALKYL" group with a hydroxyl group...
Mar10-08 09:42 PM
LtStorm
2 1,283
One mole of certain gas is confined in a container. Suppose every molecule has decomposed and given rise to- two new...
Mar10-08 08:40 PM
GCT
4 3,058
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
mgb_phys
1 2,254
What is the physics behind this kind of frost, seen on the sunroof on my car? Why does it form so linearly, even...
Mar10-08 11:49 AM
Andy Resnick
2 1,595
i have 5 test tubes with benzoic acid, and i pour NH4OH, NaOH, HCl, NaHCO3 and diethyl ether into different tubes. The...
Mar10-08 07:02 AM
lightarrow
2 13,100
well trying to help my little brother with some chem homework, and i believe i am just thinking too hard about this...
Mar9-08 11:43 PM
LtStorm
1 12,440

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