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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/...
May7-14 10:06 PM
Awheezi
115 145,643
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
64 153,690
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 40,746
I am currently in Year 12 (high school) and have been doing a wine-making experiment for chemistry. This has involved...
T 04:43 AM
Borek
28 5,309
Greetings all, was hoping someone more knowledgable than me (not a tall order, by any means) could point out some...
Jun22-07 03:10 PM
chemisttree
27 16,830
In an accident at a factory, some nitric acid was split. Which substance then, when added in excess, would be the...
May16-11 04:03 PM
SpectraCat
27 5,315
Well i am having problem prepearing this alcohol from bromobenzene and 1-butene please help.This question is...
Jul31-04 09:22 PM
ambuj123
26 4,646
You probably know how to bend water: Use a comb and rub it with wool (or just comb your hair) and hold it next to thin...
Feb17-12 12:05 PM
asym
26 7,400
Well....I couldn't fit my question properly in the title. Feel free to propose a way of asking it :biggrin: Please...
Dec11-12 07:34 PM
Weissritter
26 3,024
I have a lot of time on my hands so I started reading the ingredients on all the detergents and cleaners that I have....
Sep9-10 03:31 PM
Borek
25 11,870
ok in this lab, we heated a plastic pipet in water so that it expandes. then we covered the top so that the gases are...
Feb15-05 10:06 AM
GCT
25 2,785
Is there an easy way to make/extract Sulfur (/Sulphur)? For example, making sulfur by taking the sulfur out of...
Aug20-05 10:50 PM
mrjeffy321
25 8,943
When you burn an acetate what compounds are formed? Like if you burn copper(II) acteate(CuC4H6O4), because I was...
Jul2-07 08:20 AM
JGM_14
25 3,062
chemical formula of water is H2O hydrogen and oxygen are abundant in the atmosphere...so can we make water...
Apr28-09 10:29 PM
mgb_phys
25 9,966
I'm working really hard (within my limited knowledge) to figure out the details of using methane as a fuel source. I...
Aug19-09 08:18 AM
puf_the_majic_dragon
25 22,336
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 1,221
Hi! How many per cent of silicon is there in a silicate mineral, if 0.567 g during analysis gave 0.484 silicon...
Jan28-05 10:05 AM
Gokul43201
24 1,884
My chemistry teacher recommends (for safety) putting a glass of water behind a microwave oven. She says this directs...
May31-09 07:25 PM
microwaveguru
24 6,307
in a recent chemistry experiment at school, two voltaic (galvanic) cells were set up with the same solutions in either...
Jul26-11 09:11 AM
Ecclesiastic
24 6,335
Hello: I was reading about the super fast chemical reaction which occurs in an airbag to release gas and produce a...
Aug8-07 04:50 PM
JGM_14
24 3,171
I like physics very much,and I'm shore I would enjoy chemestry as well(actualy I never understood why chemestry is not...
Jan3-09 11:53 PM
Renge Ishyo
24 4,182
I know I know this isn't really related to molecular biology, but I figured since Biologists have a strong background...
Apr13-12 12:48 PM
CptWayne
24 6,265
We have remediated several rental houses with meth in them using bleach & 409 with success. It's too expensive to pay...
Mar4-13 11:11 AM
oca123
24 18,859
I am chem major currently taking organic chemistry. I am ashamed of admitting I hate organic chemistry. This is not...
Apr23-12 02:09 PM
turbo
24 8,173
1 mole of a substance equals the amount of grams needed for that substance to have 6.0221413e+23 (Avogadro's number)...
Apr12-14 03:08 AM
Borek
24 1,094
Hello everyone. I have a slight problem with my chemistry and was wondering if there is someone that could help me....
Oct24-03 06:53 PM
lavalamp
23 7,950
Nernst equation: \DeltaG = -2.3 RT log10 \frac{C_o}{C_i} + zFV R = 1.98x10-3 kcal/K mole T = absolute...
Jan4-04 02:04 PM
Monique
23 10,525
if anyone could answer some of these questions and possibly explain how to do one or two that would be awesome and i...
Jan23-04 09:55 PM
finaltomorow
23 3,182
What is the difference between a gas and a vapour? I remember one of my lecturers saying that there was a slight...
Jun18-09 03:24 PM
Mapes
23 9,763
Hi guys, I have a question about TiO2 coating. I heated (annealed) my alloy, NiTiHf at about 1000 oC, and now a...
May22-12 08:56 AM
mah65
23 12,920
At what pressure will regular gasoline spontaneously explode/ignite? Would it be safe to pressurize it to 100 PSI in a...
Jan26-11 10:08 PM
workinprogres
23 6,861
I am working on a pilot project to recover gold from circuit boards. I have tried several methods and am interested in...
Apr25-11 04:14 PM
Borek
23 3,199
Hi everyone, There is one major concept I am struggling with, and that is why acids dissociate more at higher...
May6-11 07:53 AM
nymbler_064
23 3,179
HCl(l) + H2O → H+(aq) + Cl-(aq) or is it HCl(g)+ H2O → H+(aq) + Cl-(aq) If HCL is liquid is it dil. or...
May14-14 02:30 AM
Borek
23 989
I find it extremely tough to remember the correct mechanisms and apply them, there seems to be so many different...
Aug3-04 01:35 PM
maverick280857
22 10,899
would someone be kind enough to explain througly the concept of moles....i have missed classes on that part of the...
Feb15-06 03:05 AM
bomba923
22 18,781
Hi, I hope this question is in the right section. I have a heatsink that consists of both aluminium and copper....
Sep7-06 05:32 PM
Gokul43201
22 3,714
Greetings, Can you match up the unearthly elements with their earthly counterpart based on the clues??? After...
May6-11 03:42 AM
zelfink
22 3,765
Sodium is a soft, reactive metal. Chlorine is a poisionous, reactive gas. Expose them to one another and they will...
Feb2-11 03:04 AM
symbolipoint
22 2,896
We do know that in the process of chemical reaction, atoms or molecules come closer, form bonds and get stabilized by...
Feb3-11 12:55 AM
Ygggdrasil
22 2,617
I've bought some of the stuff recently mainly to replace normal household chlorine bleach. It fizzes when it's...
Mar22-11 09:04 PM
Nik_2213
22 8,808
Hey there, First of all I want to apologize for my English, haha. So for a project I came up with the idea of...
Jan7-12 04:05 PM
Angelino10
22 4,896
Biochemistry doesn't use the concept of wave functions because biochemistry deal with big things that are much larger...
May12-11 10:32 PM
SpectraCat
22 2,726

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