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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/...
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,692
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
64 157,918
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,875
Hello all! My son is getting ready to go into the 2nd grade here on Wednesday and although he takes breaks during the...
T 02:58 AM
Justinmcg67
0 22
Hello, I am wondering, why is it that ##\frac {d}{dt} \ne k## in general, where ##C## is a chemical species, and...
T 02:29 AM
Maylis
3 124
Why is the EA of Fluorine higher than chlorine when it shouldn't be according to periodic trends? And in general...
Aug31-14 08:39 AM
Medicol
7 333
I did an electrolysis with alluminum eletrodes, the electrolyte was NaCl, After completing it the left over was a...
Aug31-14 03:54 AM
Mniazi
0 120
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
5 269
I had this distilled battery water, it fizzes when I throw it on rock and it turns copper hydroxide into a greenish...
Aug31-14 03:12 AM
Mniazi
0 135
By hydrogenation, alkynes form alkenes and alkenes form alkanes but I need the reverse process i.e preparation of...
Aug30-14 06:19 AM
Adithyan
3 188
How can I define brillouin zone?
Aug29-14 02:05 PM
partha1963
2 176
Hi, Whom can i ask about the usage/function of Red Phosphorous in metals and plastics or any polymer? In some...
Aug29-14 03:01 AM
Borek
1 244
In my science text book it is written that even after the zinc layer in galvanised articles is broken, the items...
Aug28-14 11:59 PM
SteamKing
6 319
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Hi All I hope that someone where can help me out. Let's assume that we take a piece of Al foil and a Pt wire and...
Aug28-14 02:09 AM
Borek
3 238
Hello This is more of a chemistry question but I would like to know how a piece of magnesium will react with...
Aug27-14 01:31 PM
sv3ora
6 275
Greetings everyone! I recently read a research paper on the effects of a magnetic field on redox potential of water...
Aug26-14 02:49 PM
HelloCthulhu
0 263
Hello, I was wondering if anyone could help to explain something simple to me, I am lost for answers, and this is...
Aug25-14 05:25 PM
Borek
2 247
I bought some sodium fluoride over the internet and mix it with regular toothpaste at 9000ppm or until it's 1.2% by...
Aug25-14 05:17 PM
Borek
1 261
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
2 195
does sodium bicarbonate react with copper hydroxide in water ? what is the equation?
Aug24-14 05:11 PM
Borek
5 329
Can someone explain what type if nickel catalyst they used in this...
Aug20-14 01:56 AM
Borek
6 398
As I understand, when an electric field is applied to an atom then the nucleus and electron cloud will be shifted out...
Aug19-14 10:56 AM
Borek
3 391
For some time now, I have been fascinated by the Miller-Urey experiment. However, after watching many videos and...
Aug18-14 03:31 PM
aroc91
2 403
Hi I only have very few materials which are (calcium gluconate , zinc gluconate , ferrous gluconate ) and copper...
Aug18-14 02:24 AM
Borek
7 488
I saw a YouTube video where someone took nichrome wire and a high voltage source and managed to light a whole series...
Aug17-14 07:50 PM
zuloo37
1 375
Hi, I was trying to design Molten NaCl battery (cell ) , but found most of information about Li based salts. Ihave a...
Aug17-14 07:39 PM
Greg Bernhardt
1 383
I tried vinegar electrolysis using 2 copper electrodes and 9v adaptor it gave dark brown material on the (-) ...
Aug17-14 03:24 PM
Borek
6 497
I know that water can be superheated, but my question is more fundamental. What causes water to boil at 100 deg C? I...
Aug16-14 04:22 PM
Astronuc
10 589
tert-butyl bromide + MeOK in MeOH -----> I would think that MeOK would dissociate in solution making it MeO- which...
Aug16-14 10:00 AM
MrNano
1 312
Ok what kind of environment do I have to create for the reaction to take place? I'm turning an old propane tank into a...
Aug15-14 02:58 AM
Borek
1 303
I was wondering if Boron Trioxide was melted would it be ionic in the molten state? Boron is not normally ionic except...
Aug14-14 02:56 PM
Borek
4 425
I have a 50KG cylinder with 1-2LB of SF6 at 15PSI. I want to transfer it into another cylinder by temperature...
Aug12-14 06:46 PM
mfb
1 358
Hi. I'm confused about how chlorine reacts with water. Yesterday I electrolised saltwater. There was some intense...
Aug12-14 05:59 AM
Lok
6 571
Hi, I am trying to solve the chemical equilibria in a kraft mill bleach plant to predict mineral scale deposits. I...
Aug12-14 03:48 AM
Gollegun
2 323
Okay let's say we have water, sodium hydroxide and hydrogen chloride. What do you think is going to happen? Do you...
Aug12-14 03:25 AM
Borek
23 1,715
I was given this attached photo on a part of some apparatus but I don't know what it is... Any ideas?
Aug11-14 10:29 PM
.Scott
15 520
Hello! Is it possible to study the organic chemistry without the firm knowledge of general chemistry? I took the...
Aug11-14 07:42 AM
Borek
1 360
I always like to be specific when talking about "energy released". It is too vague for me, there is what to specify...
Aug11-14 07:25 AM
steviereal
5 426
Why is it that gas with higher critical temperature are adsorbed to greater extent on surface of adsorbent as...
Aug10-14 10:12 PM
Greg Bernhardt
1 416
When is an Elimination 2 reaction more likely to take place than any other reaction (more likely than SN1, SN2, E1)? ...
Aug10-14 10:12 PM
Greg Bernhardt
1 412
I have a molecule with a certain kinetic, vibrational, and rotational energy. It absorbs a photon which excites a...
Aug10-14 08:36 PM
sparkle_pony
2 442
Just double-checking myself on something: Typically at the high-school level, we say that it takes energy to break...
Aug9-14 03:10 PM
QuestionMarks
3 471

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