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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
116 150,675
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
64 157,899
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,871
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
4 645
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
3 422
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
1 433
Why are the electronic configurations of Copper and Chromium exceptional? What is so different about them?
Aug6-14 09:07 AM
Satvik Pandey
9 584
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
1 466
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
1 437
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
4 550
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
5 484
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 1,862
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 6,925
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
3 474
I was reading this website (http://www.chembuddy.com/?left=pH-calculation&right=pH-amphiprotic-salt) on calculating pH...
Jul29-14 01:51 AM
Borek
3 792
I looked up the word oxidize and one of the definitions is to make it an oxide which is what happens when iron gets...
Jul28-14 03:29 PM
Borek
5 1,149
The refractive index of H2 = 1.0001594 under the following conditions : P = 101325 Pa T = 273.15 K I...
Jul28-14 06:23 AM
kinogram
12 1,256
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 1,678
Hi! I was about lubricating my computer fan. The WD40/sewing/machine oil dries up quickly so I was wondering about...
Jul27-14 07:11 AM
256bits
1 664
Hello Forum, I have two polymers (both in pellet form). Their spec sheet shows that the two polymers have different...
Jul26-14 08:56 AM
fog37
2 849
What does the term magnetic moment mean and how to look at it intellectually .what are its effects,what are its type
Jul25-14 12:59 AM
MisterX
1 693
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 2,635
Does it have to do with sucrose decompose into glucose and fructose or surface area? Caramelization occurs when sugar...
Jul24-14 10:29 AM
kevin_tee
8 1,229
If the equation below is correct n = PV / (R/T) where : n = gas density in mole / m P = pressure in Pascal...
Jul23-14 05:37 PM
kinogram
2 785
What are biocompliant solids and what are its use?
Jul23-14 03:29 AM
kartikwat
2 1,316
Dear All, I would like to know about (question related to computational chemistry): what is valence molecular...
Jul23-14 02:52 AM
Rajini
2 1,144
So I'm pretty sure this falls into both the realms of physics and electrochemistry. How would I calculate the rate of...
Jul23-14 12:39 AM
Warpspeed13
2 1,267
Hello! For those who took (or have been taking) the organic chemistry, which methodology do you prefer to tackle...
Jul22-14 12:41 AM
PWR plants
1 1,762
I think the title says it all. Lemme know if it is unclear.
Jul21-14 02:21 AM
DrDu
2 1,069
I understand the concept of a reactive species on a sort of vague and intuitive level: a reactive species is one that...
Jul21-14 02:17 AM
DrDu
2 893
Transition elements can form ions with different charges. Why can't elements other than transition elements form ions...
Jul21-14 01:29 AM
DrDu
1 836
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 2,452
Note: My english isnt well. Everyone knows toothpaste's has chemicals in variety. Floride is the main chemical. But...
Jul20-14 07:54 AM
Simon Bridge
1 967
I notice when I put my wagon out and expose it to rainwater that because it is not made of stainless steel, after a...
Jul20-14 02:36 AM
caters
2 2,651
Why when phosphorus is added to silicon, phosphorus bind with only four silicon atoms and contributes with its extra...
Jul18-14 01:45 PM
mfb
4 1,218
Suppose we have a cube, of length 1 metre. It is cut in all the three directions so that 8 cubes, each having 0.5 m as...
Jul18-14 08:11 AM
Prashasti
4 1,551
Why there no change in volume and enthalpy of solution when two components are mixed
Jul16-14 10:47 AM
Chestermiller
6 1,993
There is a device called a Fizz Keeper that attaches to carbonated beverage bottles and is supposed to keep them from...
Jul16-14 09:10 AM
Chestermiller
4 2,014
Hi, I red in reaction kinetics that if you plot the concentration of A againts "some constant times the...
Jul14-14 07:49 PM
epenguin
2 1,933
In the chemical engineering curriculum I saw "general chemistry for engineers." How different is it from regular...
Jul14-14 12:01 PM
bacte2013
7 3,388
Dear all, I am preparing nano Cu particle by reaction of CuCl2 with NaBH4 in PVP solution. CuCl2 and PVP were mixed...
Jul13-14 10:44 AM
The_architect
2 2,877
There are many online resources that provide audio/video courses and lectures from colleges/universities. The...
Jul12-14 09:52 PM
seouldavid
8 22,553
I am struggling to understand how to determine splitting patterns for molecules. For example, (see attached) I was...
Jul12-14 02:59 AM
sjb-2812
5 3,042

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