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Chemistry

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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/...
May7-14 10:06 PM
Awheezi
115 147,632
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
64 155,321
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,113
i face difficulty in Q where we hav to arrange compounds/aromatic compounds in increasing order of acidity r...
Feb7-08 09:32 AM
Kushal
3 9,594
Hopefully this is not an ignorant question, but does anyone know what neutralizes chlorine? I looked it up in my old...
Feb6-08 04:19 PM
chroot
9 5,366
I use liberal doses of boric acid in my shed for insect control. I also store household bleach in the shed for well...
Feb6-08 04:13 PM
chroot
7 7,756
I am trying to isolate bromine from 1-Bromo-3-Chloro-5,5-Dimthylhydantoin (BCDMH used for pools). I would assume I...
Feb6-08 03:52 PM
chem geek
7 6,364
I was just asked "Are salt and sand heterogeneous or homogenous mixtures?" I can see that sand is heterogeneous, but...
Feb6-08 02:23 PM
lightarrow
13 5,771
Standardization of H2O2 Solution H2O2 (aq) + 2 I-(aq) + 2H+(aq)------> I2 (aq) + 2 H2O(l) 2 S2O32-(aq) + I2 (aq) 2...
Feb6-08 12:46 PM
chemisttree
10 6,675
We use well water. I know it is high in iron content. The water stains the bath tub a sort of neon blue color. Not...
Feb5-08 10:42 PM
W3pcq
2 10,590
Simple question but not such a simple answer. If I place a piece of toilet paper so that it is just touching the...
Feb5-08 02:33 PM
_Mayday_
9 7,424
What possible side reactions could occur in the oxidation of borneol? Since an acid-base rxn takes place when the...
Feb4-08 01:03 PM
chemisttree
5 7,858
I posted this in cosmology too, but I felt it deserved to be here also. I recently learned something about chemical...
Feb4-08 12:25 PM
Andy Resnick
1 1,556
When Ethanol is talked about as a fuel, it's the same exact molecule in alcoholic beverages, right? If that's the...
Feb1-08 03:49 PM
chemisttree
7 10,956
I want to ask you something. What happens with the lithium battery (lets say after 100 times of recharging) and loses...
Feb1-08 01:23 AM
Physicsissuef
2 1,874
I work in a microbiology lab. I was making up some plates for growing bacteria. The only difference in plates was...
Jan31-08 08:38 PM
Spirochete
5 6,270
Given the following article: http://www.innovations-report.de/html/berichte/studien/bericht-96564.html What are...
Jan31-08 04:01 PM
chemisttree
10 3,857
I just learned octane numbers in organic chemistry a few days ago, and I'm extremely confused about it. From what I...
Jan29-08 11:27 AM
chemisttree
9 3,214
I'm having trouble understanding why the fact that there are two hydroxides doesn't matter in this problem. What...
Jan28-08 02:27 PM
kazimmerman
3 7,681
I am in high school chemistry, and we are learning about gases. We were told that temperature is a measurement of the...
Jan28-08 07:10 AM
pkleinod
4 2,039
can anybody here help me out with this problem? A quantity of 4.00 x 10^2 mL of 0.600 M HNO3 is mixed with 4.00 x...
Jan26-08 10:28 PM
Mitchtwitchita
14 3,861
If it is thermodynamically spontaneous for substrate and product to bind to the enzyme, why does the enzyme ever...
Jan25-08 12:40 PM
Andy Resnick
5 2,901
During the Viking missions to mars, three experiments were done to search for traces of life. The pyrolytic-release,...
Jan25-08 03:28 AM
W3pcq
5 2,418
I would like to know why are naphthalene, acetanilide, benzoic acid, and adipic acid used in calibration of...
Jan24-08 04:42 PM
chemisttree
1 1,546
A stupid question: when we buy gas at the gas station, what is the molecule that makes up the gasoline? (I know there...
Jan24-08 11:47 AM
kdv
2 7,788
Experiments have been done in which one volume of water that is warmer than an identical volume of water freezes...
Jan24-08 11:19 AM
kdv
7 5,238
Someone recently told me that explosives wouldn't work in a hard vacuum, that oxygen is required. Is this true? I know...
Jan23-08 08:56 AM
drcathyc
4 3,224
i was just wondering why salt, when it dissociates into Na an Cl as it is dissolved into water, decreases the freezing...
Jan23-08 06:25 AM
pkleinod
2 4,993
Why there is on earth stronger abundance of light elements. I mean elements that have proton number lower than 30. And...
Jan22-08 04:53 PM
Riogho
3 1,762
I have a project that I want to do; really it is an experiment that would prove useful to another project of mine. ...
Jan19-08 02:50 PM
lilrex
3 4,510
Does anybody know where aspirin becomes active, the stomach or the intestines? Based on a test I performed, I would...
Jan17-08 11:20 AM
chemisttree
6 9,755
I have been working on carrying out a reaction in which i get zinc to oxidize creating fire and smoke. Does anyone...
Jan16-08 10:00 PM
Soley101
4 1,822
I think this is a simple problem to solve, but I keep getting nonsense answers. The question: two reserviors held...
Jan15-08 12:38 PM
Andy Resnick
1 1,934
And the solvent for the reaction is going to be 2.5 liters of ether. :bugeye: I hear the t-buLi becomes an...
Jan15-08 11:08 AM
chemisttree
3 2,035
Hey there everyone! For my chemistry class, I had to write a feature article about the chemistry behind airbags...
Jan15-08 07:56 AM
lightarrow
7 3,889
what would the atomic structures of atoms 117 & 119 look like and what properties would these elements have?
Jan14-08 01:38 PM
Kushal
1 2,015
How do I find the quantity of active ingredient in a commercial ASA tablet, using titration and NaHO? I think that I'm...
Jan11-08 02:58 PM
chemisttree
1 3,263
I have a solution which contains unknown amount of dissolved ferric chloride (FeCl3) and hydrochloric acid. Can I...
Jan11-08 02:15 PM
chemisttree
7 16,928
I'm not sure why, but I could never really picture & grasp this concept. Say you're drawing the orbitals of an atom,...
Jan11-08 11:56 AM
Zarbon
4 2,235
ok, I have no idea. If any one could put this in simple terms it would be greatly appreciated! Thanks
Jan11-08 07:36 AM
Kushal
2 2,766
i want to ask that whether alcohols are acidic or basic or both depending upon the medium???????????????????
Jan9-08 01:44 PM
sadhu
2 1,823
Hi, I was wanting to test garden soil for its phosphorous content. I've seen test kits and electric/chemical kits and...
Jan7-08 04:03 PM
chemisttree
1 4,360
is silicon-oxygen tetrahedron(SiO4) stable or unstable? is there covalent or ionic bonding? Im not sure but i think...
Jan7-08 11:15 AM
chemisttree
2 9,412

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