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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
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
64 158,813
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
116 151,508
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 42,172
I decided to take AP Chemistry but since the AP scores for the teacher at my school are spectacularly low, I decided...
Oct25-10 10:05 PM
miss_swanny
5 4,784
Hello, I have been doing some research with self assembled monolayers. I was wondering if a molecule terminating in...
Oct26-10 02:42 AM
MATLABdude
6 3,320
whay does not monossacharides come less than three carbon atoms?? (I mean they just come triose to hexose)>>thnk you
Oct26-10 07:41 AM
sjb-2812
2 1,479
I am interested in reactions of the type C2H5COCH3 + KH -> C2H5COCH2K + H2 In this paticular reaction, I...
Oct30-10 10:14 AM
espen180
3 1,866
So I am supposed to be in p-chem in the spring and I have my concerns. It's been a good while since I took physics,...
Oct29-10 07:56 PM
DDTea
2 1,058
Hey guys. I know that oxidation is a atom/molecule/ion losing electrons, therefor whenever that happens the minus...
Oct29-10 12:40 PM
Borek
6 1,139
This isn't really a homework problem. In lab we had an unknown buffer solution and we had to to titrate it with NaOH...
Oct28-10 07:32 AM
kooombaya
11 3,082
I'm taking an advanced thermodynamics course (its a pain!) anyways, we're studying intermolecular forces and how based...
Oct26-10 06:16 AM
FaNgS
2 2,075
Hey guys, I'm on a bit of a time crunch here, I have to have everything buy Wednesday (10/27). I've been asked to...
Oct27-10 07:47 PM
chmmr
7 2,379
I read somewhere that HNO3 and CH3COONa can act as a buffer solution. I know that the following solutions can act as a...
Oct26-10 01:24 PM
zorro
7 4,305
In my organic lab we recently isolated and crystallized the natural product usnic acid from dried lichen. An IR...
Oct30-10 12:15 AM
chemisttree
5 2,910
can oxy acids make acid salts?
Oct28-10 04:11 PM
Borek
4 2,254
hi. is it Possible that in atoms can be more electrons than Protons? is not must to be Equal? thanks
Oct28-10 07:48 AM
omni
10 1,124
The Nitroso group -NO deactivates the benzene ring towards electrophilic substitution (due to -I effect) yet it is...
Oct27-10 04:06 PM
zorro
0 1,533
What is the difference in the active chemical agents in simple household bleach and 'toilet cleaners'? I have been...
Oct27-10 05:27 PM
sophiecentaur
2 1,102
In my chemistry class today we began covering the idea of Hess's law. That is, Enthalpy change is a state function...
Oct28-10 02:45 AM
DrDu
1 2,128
Can someone please help me understand the difference between syn and anti elimination in terms of what they favor? My ...
Nov2-10 05:13 PM
chemisttree
6 10,455
Say I've got a solid lump of CaSO4 that I put into water. When I first learned about Solubility Constants, Ksp was...
Oct28-10 02:26 AM
Borek
1 1,231
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 3,732
The liquid oxygen is blue in color because of unpaired electron in it. (According to molecular orbital theory) In...
Oct29-10 02:18 PM
espen180
5 5,135
So, a friend just picked up an antique chemistry set from the 50s, containing all sorts of interesting stuff - among...
Oct29-10 11:14 PM
NobodySpecial
5 2,646
No, this isn't a homework question... Would it be feasible to use a tertiary haloalkane with sodium ethoxide, then...
Nov3-10 12:21 AM
chemisttree
3 1,532
Hi all, I hope to get some help from you here. I'm a quality engineer working for a coal briquettes company in...
Oct29-10 05:17 PM
chemisttree
1 4,544
This is an excerpt from here SCROLL DOWN. My question is quite simple : what does this mean ? What are they trying...
Oct30-10 01:34 PM
Borek
1 1,234
Hi all Upon the reaction of Hydrochloric acid with Iron.. the following equation represents the reaction: Fe +...
Oct30-10 07:49 PM
Maisara-WD
2 893
Hi guys! First time post here. I was wondering where on the internet you could find such a value? I have tried...
Oct31-10 08:57 PM
DCalfine
6 9,331
Hi All Will you please please explain this reaction to me.. Very Briefly?? The reaction of a metal eg. Fe with...
Nov1-10 12:15 AM
morrobay
8 1,754
One the practice problems i was doing in preparation for my exam was to rank the following nucleophiles in the order...
Nov1-10 02:27 PM
Trave11er
1 3,661
I am planning to use natural sources of citric acid-lemons preferably-to demonstrate a flame retardant mixture using...
Oct31-10 05:41 AM
lightarrow
1 1,972
I conducted a experiment to determine the order of oxidizing ability of the halogens in aqueous solution. Halogens...
Oct31-10 11:30 AM
Borek
1 3,650
Richard Feynman once said, "So what is this mind of ours: what are these atoms with consciousness? Last week’s...
Nov1-10 10:00 PM
NobodySpecial
3 7,492
Hi My text book states that say 50 amu/atom = 50 g/mol. Which does not really make any sense. I am not sure how to...
Nov3-10 08:23 AM
Dickfore
10 17,332
I have gotten the principles of them down, but I still have some more detail to cover. From what I know about Ionic...
Nov1-10 02:33 PM
Borek
1 1,481
There are two ways to form these: through Covalent and Ionic bonding, correct? But I have always wondered something...
Nov2-10 03:53 PM
Borek
8 1,429
I have a few questions about organic chemistry. First of all, when is it acceptable to leave out the 1's when naming...
Nov2-10 04:47 PM
chemisttree
2 1,768
Hello chemists! In the classical treatment of reaction kinetics, the overall reaction rate is usually written as a...
Nov1-10 08:39 PM
DDTea
2 2,694
Is anyone familiar with any chemical reactions that release both oxygen and carbon dioxide gas as products? Or any...
Nov2-10 01:08 PM
NobodySpecial
1 1,703
This is a subject I am unfamiliar with, and was just wondering where I should start in order to learn about them and...
Nov2-10 03:50 PM
Borek
8 884
Uranium nitride rips the hydrogen atoms off a carbon atom -- but unfortunately, the UN is destroyed in the process....
Nov3-10 12:10 AM
chemisttree
1 830
For an acid, the more Hydrogen (H+) Ions the compound releases in an aqueous solution it, the higher its pH correct,...
Nov3-10 03:36 AM
Borek
3 1,177

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