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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
116 150,091
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
64 157,391
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 41,705
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
1 680
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 2,612
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 1,215
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
2 769
What are biocompliant solids and what are its use?
Jul23-14 03:29 AM
kartikwat
2 1,304
Dear All, I would like to know about (question related to computational chemistry): what is valence molecular...
Jul23-14 02:52 AM
Rajini
2 1,130
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 1,258
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 1,749
I think the title says it all. Lemme know if it is unclear.
Jul21-14 02:21 AM
DrDu
2 1,060
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
2 886
Transition elements can form ions with different charges. Why can't elements other than transition elements form ions...
Jul21-14 01:29 AM
DrDu
1 830
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 2,093
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
1 953
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 2,631
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 1,206
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 1,540
Why there no change in volume and enthalpy of solution when two components are mixed
Jul16-14 10:47 AM
Chestermiller
6 1,982
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 1,996
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 1,919
In the chemical engineering curriculum I saw "general chemistry for engineers." How different is it from regular...
Jul14-14 12:01 PM
bacte2013
7 3,371
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 2,863
There are many online resources that provide audio/video courses and lectures from colleges/universities. The...
Jul12-14 09:52 PM
seouldavid
8 22,470
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 3,023
What are the facts about water, if I drink water that has mercury in it or led, can it mess up your brain and/or body?...
Jul11-14 10:42 AM
Borek
9 2,510
Hi I need some help understanding reaction kinetics, and I’m trying to get an overview, so I’d really appreciate some...
Jul10-14 11:50 AM
christian0710
5 2,126
I recently became interested in the chlor-alkali process, specifically the one using a salt bridge, and wondered if I...
Jul9-14 11:29 AM
The_architect
7 2,917
How to determine the bond angle based on the formula of molecules?
Jul9-14 05:22 AM
Borek
3 2,814
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 2,779
I am interested in knowing whether what changes would happen at the molecular and atomic level, to a material...
Jul5-14 11:16 AM
Ygggdrasil
1 2,504
Hi everyone, I am doing MD simulation for zirconium (hcp). I have to input some orientation for crystal in...
Jul4-14 04:35 AM
anurag
4 3,118
Hi I have a simple question about HPLC regarding the pore size vs the molecule size of the analyte. Are there...
Jul3-14 02:29 PM
Greg Bernhardt
1 2,929
Dear community fellows Can somebody help me in identifying the name of SnMg2O4 ? Other examples are ZnAl2O4 (Zinc...
Jul1-14 11:38 PM
masyousaf1
7 3,956
Hi all, One of the orbitals of the d subshell is called d (x^2-y^2). What is the reason behind that? It would be...
Jun30-14 02:35 PM
Mike H
2 2,780
I am about to take a teacher certification test for HS Chemistry. I would love to get suggestions from you on the...
Jun26-14 02:11 AM
bacte2013
3 3,214
Can this photo synthesis be done by technical means or is it only happen in plants? Synthesis: 6CO2 + 6H2O(gas) +...
Jun26-14 01:12 AM
ovacs
11 2,887
Hi everyone, I've been reading articles and looking at many websites for methods to measure hydrogen peroxide residue...
Jun25-14 07:47 PM
Greg Bernhardt
1 2,630
Hey, this is not a homework question really but more a research issue my fellow students and I have run into. So...
Jun24-14 05:09 PM
sting10
4 2,545
Hi all, this question may sound incredibly obvious to a degree of trolling, but I was having difficulty finding an...
Jun24-14 01:14 AM
DrDu
5 2,569
When two substances have the same temperature, the particles have the same average kinetic energy, right? So why is it...
Jun23-14 04:01 AM
epenguin
4 2,662
Hi all, In osmosis a solvent moves across a semi-permeable membrane when the solvent is on both sides of the...
Jun23-14 03:18 AM
epenguin
2 2,677

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