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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
116 151,646
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
64 158,948
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 42,216
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
1 482
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
6 534
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
6 493
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
2 462
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
1 470
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
2 382
does sodium bicarbonate react with copper hydroxide in water ? what is the equation?
Aug24-14 05:11 PM
Borek
5 512
Can someone explain what type if nickel catalyst they used in this...
Aug20-14 01:56 AM
Borek
6 581
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
3 550
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
2 566
Hi I only have very few materials which are (calcium gluconate , zinc gluconate , ferrous gluconate ) and copper...
Aug18-14 02:24 AM
Borek
7 656
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
1 525
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
1 544
I tried vinegar electrolysis using 2 copper electrodes and 9v adaptor it gave dark brown material on the (-) ...
Aug17-14 03:24 PM
Borek
6 666
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
10 833
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
1 439
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
1 398
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
4 547
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
1 444
Hi. I'm confused about how chlorine reacts with water. Yesterday I electrolised saltwater. There was some intense...
Aug12-14 05:59 AM
Lok
6 667
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
2 401
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 1,837
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
15 586
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
1 418
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
5 485
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
1 466
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
2 487
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
3 497
I'm trying to reach a more thorough understanding of what's going on when we calculate equilibrium concentrations and...
Aug9-14 02:17 AM
Borek
2 430
To represent operations of a point group by matrix we need to choose basis for this representation. What is the...
Aug7-14 07:02 AM
Fredrik
4 678
Why is CO2 released when soda is shaked, and dissolves again when the soda is stable? My teacher in class today...
Aug6-14 02:40 PM
Ygggdrasil
3 456
During my summer chemistry course yesterday, I asked my teacher this question and she said she didn't know.
Aug6-14 11:56 AM
Lok
1 467
Why are the electronic configurations of Copper and Chromium exceptional? What is so different about them?
Aug6-14 09:07 AM
Satvik Pandey
9 614
I am doing research on synthesis of copper nano particles. I would like to have a cyclic voltammetry (CV) of this...
Aug5-14 11:24 PM
Greg Bernhardt
1 490
OK so we have a dipolar bond between two elements. This bond makes the other electrons redistribute in order to rest...
Aug5-14 11:24 PM
Greg Bernhardt
1 456
This question is about neutralising alcohol in the bottle, not in the body or an attempt to get rid of a hangover. ...
Aug5-14 07:00 AM
Borek
4 580
Recently I have been researching the topic and I have not found any completely clear answer. To restate my question...
Aug5-14 12:01 AM
Simon Bridge
5 511
This is a question in "Chemical Principles, 6th Edition, Steven Zumdahl": Bond energy has been defined in the text as...
Aug3-14 06:09 AM
Borek
18 1,915
I am currently in Year 12 (high school) and have been doing a wine-making experiment for chemistry. This has involved...
Aug2-14 10:29 PM
FredericChopin
29 6,982
Hi. I am a complete novice working on my first backyard experiment. I have a 1part sulphuric acid 4parts tap water...
Aug2-14 02:39 AM
Borek
3 503

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