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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
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 42,201
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
64 158,898
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
116 151,597
Do scientists know how many electrons an element has? Can someone explain why I was taught about shells of electrons...
Dec29-03 07:58 AM
agnostictheist
4 1,511
I used to understand this -- a few years ago -- but it has completely slipped my mind. What is going on with al this...
Nov9-05 11:37 AM
scott_alexsk
6 31,313
What do you think are some of the coolest, most fun, or most interesting chemistry experiments to do at home, and how...
Sep24-07 09:44 PM
jmnew51
5 5,458
How long can one store dimethyl sulfoxide (DMSO) or methylsulfonylmethane (MSM)?
Mar22-08 06:23 PM
Moonbear
1 3,226
This is going to seem like a very elementary question. Let's look at a phosphate ion for example. 1) How can I...
Feb3-04 06:18 AM
mmapcpro
4 11,659
I've made this pressure shooter for school, but I can't quite figure out this kink. If the cylinder has a volume of...
Oct3-04 01:19 AM
Gokul43201
6 1,224
I acquired some Battery Acid, which is 35% sulfuric acid. I had poured some in a vial and dropped a iron nail in it. I...
Aug31-14 03:43 AM
Borek
5 496
I had this distilled battery water, it fizzes when I throw it on rock and it turns copper hydroxide into a greenish...
Sep8-14 07:39 PM
cpman
3 439
I did an electrolysis with alluminum eletrodes, the electrolyte was NaCl, After completing it the left over was a...
Sep16-14 01:54 AM
Borek
3 440
I couldnt understand the pressure we take here is still the ideal pressure then wt is the correction made?
May21-12 01:07 AM
moatasim23
1 972
Critical temperature depends on increase or decrease of inversion temp?
May26-12 04:11 AM
moatasim23
1 1,269
On a chemistry test I took, there was a question that asked "What subatomic particle is responsible for an element's...
Dec5-07 06:53 AM
lightarrow
11 4,335
NONE OF IT MAKES ANY SENSE!! For example: If we divide the molar coefficients all by 2, then we raise the...
Nov6-11 10:25 AM
Borek
3 1,303
My understanding is that it would be very unlikely (if not impossible) for a non-carbon based life form to exist...
Oct22-08 05:00 PM
vaazu
36 31,156
I just tooned in to the end of a segment on "daily planet" about this guy who found out a way to create a plastic...
Dec5-07 08:14 PM
Gokul43201
14 7,726
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 just started a hobby i couldnt afford till now. radio control cars. iam have been running a nitro truck for 7 mo. ...
Dec15-09 03:40 PM
chemisttree
2 1,984
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 18,884
Hello... I'm making elephant toothpaste for my chemistry project, where I'm using activated yeast+73 ml of water and...
Oct22-13 06:57 PM
eigenperson
2 930
When determining a rate law equation you find the individual orders via experimental data, thus you don't assume the...
Aug18-10 02:05 AM
DrDu
12 3,862
Dear All, Kindly guide me with easiest titration procedure to konw the following in pickling bath for galvanizing...
Jul20-11 05:44 PM
Mohammed Baba
0 1,346
My A level Chemistry textbook defines Lattice Energy as "the enthalpy change when 1 mole of an ionic compound is...
Jul24-14 11:16 PM
MohammedRady97
7 2,669
According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode...
Jul20-14 02:13 PM
ndawanamazvita
1 2,486
Why is Ksp not defined for soluble salts? Also, when an equilibrium is established between the solid, undissolved salt...
Jul28-14 04:28 AM
Borek
2 1,703
According to my A level Chemistry text book, the presence of the O atom in a C=O bond in any carboxylic acid (CH3COOH,...
Aug25-14 03:54 PM
MohammedRady97
2 380
can anyone help me to find solvent to dissolve the Paraffin wax which i have? i need to knoe what type of solvent can...
Aug25-11 05:43 AM
abaanjacob
4 14,366
Hello! I am researching on bio-plastics and have created bio-plastics out of two waste products. In order...
Jul8-14 11:43 PM
mohnish
6 2,828
when calculating the osmotic pressure of a solution with 0.03M ammonium sulfate and 0.04M sucrose...do i need to add...
Nov15-09 05:30 AM
sameeralord
1 1,651
I am fractionally distilling ethanol out of solution. I have done this with a Snyder column (3-ball)and most of my...
Dec20-10 06:12 PM
DrBob
4 2,216
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
okay well basically this is what i know or think i know: i have the pKa's of the carboxyl, amino, and R group of...
Oct18-12 10:52 PM
momolemur
0 1,512
Could someone refresh my mind how I can deduce which molecule is an oxidator or reducer and wether something is...
Sep28-03 05:03 PM
Chemicalsuperfreak
7 6,474
Who can calculate the meltingpoint for me of a mixture of metals with 40% Sn and 60% Pb?
Oct9-03 11:12 PM
Bystander
11 7,026
A while ago AXE came out with a new anti-hangover showergel. I don't understand these advertisement people.. it...
Dec8-05 10:51 AM
movies
9 3,794
http://www.nobel.se/chemistry/laureates/2003/index.html "for discoveries concerning channels in cell membranes" ...
Dec15-03 07:27 PM
nautica
4 2,859
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 10,719
NADH, why is this reduced molecule a strong electron donor (it likes to give its electrons away)? The instability has...
Jan8-04 03:07 PM
GCT
8 5,141
Published in Science, researchers decribe how they have made a molecule that is made up of three interlocking rings,...
Jun9-04 01:46 PM
Gokul43201
1 1,891
And the Nobel prize went to... the discovery of the green fluorescent protein (GFP). ...
Oct19-08 08:51 PM
~christina~
2 1,815
The Nobel Prize in Chemistry 2009 was awarded "for studies of the structure and function of the ribosome"!...
Oct7-09 05:54 PM
gravenewworld
2 1,257

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