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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
64 155,280
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
115 147,583
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,102
Hi guys, I have been solving many stoichiometry problems but their is something I can do but I don't fully understand...
Apr23-12 11:10 AM
Genericcoder
7 1,268
Hi again! The problem goes like this: How many g CuSO4*5H_2O does one get when 20 g of a 98% H2SO4 solution and...
Feb16-05 05:57 AM
dextercioby
7 1,267
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 1,267
OK, I never worried or thought on this till yesterday, and I would like an answer if someone knows. When you open a...
Apr27-10 03:54 PM
alxm
1 1,267
Hi, I came across a problem, which I might have solved a few years ago when I had studied Chemistry, but now I am...
May5-11 11:30 AM
SpectraCat
1 1,267
Is digestion related to heating and aging related to allowing the precipitate to sit?
Nov15-12 11:23 AM
Borek
2 1,267
Hey people :) I hope somebody with relevant/in-depth knowledge in chemistry can help me out :) It's a well known...
May10-05 05:36 PM
Dr Sinister1001
0 1,266
I thought it was only ΔG which varied by temperature,with the equation ΔG = ΔH - TΔS ? It makes no sense to me why...
Nov30-12 03:31 AM
Nikitin
6 1,266
Anyone have a science lab in their home? I'm just curious.
Jul7-09 10:45 AM
chemisttree
7 1,265
Hello, I am an undergraduate student being introduced to the world of computational chemistry. I am modeling a...
Jun18-11 04:39 PM
SpectraCat
1 1,265
Is this chemical reaction correct? Is such a reaction possible? K4Fe(CN)6 3H2O + K2CO3 --> 6KCN + CO2 + FeO +...
Jan31-12 10:43 PM
Dr_Morbius
2 1,265
I believe that many chemistry undergrads have misconceptions about basic concepts such as the octet rule. I wanted to...
Aug9-12 09:48 PM
Einstein Mcfly
7 1,265
Hey. im doing an Engineering/ Science fair this next semester and am still brainstorming for ideas. im kindof...
Jul10-05 10:12 PM
Gaijin
0 1,264
hey for this question If a 2kg sample of aluminium absorbs 64.4 kJ of heat from its surrounds by how much does its...
May2-10 03:21 AM
Borek
4 1,264
I know a Lindlar catalyst will cause syn addition of hydrogens to an alkyne and then stop at an alkene, but what about...
Dec14-12 09:43 PM
AGNuke
1 1,264
C7-10-ISO cas no. 90622-56-3 much appreciated thanks
Feb16-12 04:34 PM
Dr_Morbius
3 1,263
Could You Help Me Out Please... The Value of Kw ,the ionic product of water,increases with temperature.Will the pH...
Sep20-04 01:01 PM
chem_tr
1 1,262
Hello. I am performing some biochemical process where the end product is going to be intended for human consumption....
Sep17-13 10:19 AM
chemisttree
9 1,262
Does the water molecule act as a ligand or is it trapped in the crystal lattice somehow? If it is trapped in the...
May23-12 04:47 AM
jd12345
2 1,261
Hi everyone ,, Am doing a project and I want to light coal with matches only ,, I have 2 Ideas only , mix coal...
Jun16-13 12:43 PM
Jobrag
7 1,261
A(g) <--- <--- 2B(g) + C(g) When 1.00mol of A is placed in a 4.00L container at temperature t, the...
May5-05 12:28 PM
campa
5 1,260
Hey Guys, For my AP Chemistry exam, my teacher is going to give us 2 unknown liquids (or solids) and we have to...
May15-05 05:52 PM
don123
0 1,260
Hi everyone. I have been presented with a problem- to produce a set amount of pure, dry oxygen in any way I can,...
Aug25-12 04:32 AM
JohnRC
1 1,260
I know this seems impossible, and it probably is, but is there a substance (a solid) that will contract under a...
Dec6-06 03:06 PM
AcidRainLiTE
0 1,259
I can quickly calculate the dissociation degree of a monoprotic acid with the formula below (derived from the...
Mar7-12 12:38 AM
ComptonFett
2 1,259
I'm new to this forum, I am studying in grade 9 and I am working on my electrolysis project but I had trouble...
Aug9-12 02:10 PM
Drakkith
6 1,259
Hey guys, in a reaction like 1A + 1B <-> 1C + 1D, which starts with 1 mol of each molecule (A,B,C,D), how can I find...
Dec15-11 06:23 PM
epenguin
1 1,258
Super Wash Ball Set of 2 Laundry Cleaners with 1100 Washes A link below to a product I haven't seen before.... I...
Oct24-13 07:25 AM
Naty1
7 1,258
Hello all! I am reading through a combustion text and I am a little flustered by this notation: ...
Aug27-10 10:35 PM
Saladsamurai
1 1,257
can someone clear my concepts about these two equations ??? Equation 1... Concentration(g/dm3) = Concentration...
Oct19-11 06:12 AM
Borek
5 1,257
Pardon my ignorance please, but they never taught us about that in school. I've never seen any mention in any of the...
Sep1-12 12:19 PM
ViolentCorpse
3 1,257
when i add mannitol into water, the solution has opalescence. Does the solution forms colloid? Then how should I do to...
Jun8-13 10:34 PM
phildukephd
3 1,257
How would the net ionic equation look when you do a heat of reaction between solid NaOH and aqueous HCl? I had to...
Dec28-04 03:33 PM
BH20
0 1,256
I was searching some info in this forum and I found something here:...
Mar25-13 06:30 AM
Borek
1 1,256
what is the molecular formula of nitrite
May2-10 05:19 PM
Borek
4 1,254
Is a hydrogen on an ethanol more or less positive than on a water molecule. I think the hydrogen is more positive on...
Sep8-11 10:49 AM
DrDu
1 1,254
I read in several websites that triple bonds cannot rotate freely. However, I've also read in the book "Chemical...
Sep17-13 06:02 AM
DrDu
4 1,254
I want to prepare an acrylic acid copolymer copper oxide composite. First i loaded the copolymer with copper ion then...
Mar29-10 12:02 PM
dayal.ganga
0 1,253
a precipitate of agcl and agbr weighs 0.4066gm on heating in a current of chlorine the agbr is conveted to agcl and...
May18-10 04:12 AM
Monique
2 1,253
If we have an acid-base aqueous equilibrium system and decide to treat the concentration of H2O as a variable, does it...
Apr7-13 06:19 PM
Darwin123
8 1,253

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