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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:
May7-14 10:06 PM
115 141,064
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
64 150,013
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
0 39,868
Does it have to do with sucrose decompose into glucose and fructose or surface area? Caramelization occurs when sugar...
T 06:18 AM
6 206
What are biocompliant solids and what are its use?
T 03:29 AM
2 387
Dear All, I would like to know about (question related to computational chemistry): what is valence molecular...
T 02:52 AM
2 267
So I'm pretty sure this falls into both the realms of physics and electrochemistry. How would I calculate the rate of...
T 12:39 AM
2 279
This is a question in "Chemical Principles, 6th Edition, Steven Zumdahl": Bond energy has been defined in the text as...
Y 10:48 PM
Greg Bernhardt
1 404
Hello! For those who took (or have been taking) the organic chemistry, which methodology do you prefer to tackle...
Y 12:41 AM
PWR plants
1 622
I looked up the word oxidize and one of the definitions is to make it an oxide which is what happens when iron gets...
Jul21-14 01:06 PM
2 187
I think the title says it all. Lemme know if it is unclear.
Jul21-14 02:21 AM
2 278
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
2 177
Transition elements can form ions with different charges. Why can't elements other than transition elements form ions...
Jul21-14 01:29 AM
1 174
According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode...
Jul20-14 02:13 PM
1 696
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
1 262
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
2 1,592
I am currently in Year 12 (high school) and have been doing a wine-making experiment for chemistry. This has involved...
Jul18-14 09:02 PM
27 3,640
Why when phosphorus is added to silicon, phosphorus bind with only four silicon atoms and contributes with its extra...
Jul18-14 01:45 PM
4 288
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
4 495
Why is Ksp not defined for soluble salts? Also, when an equilibrium is established between the solid, undissolved salt...
Jul16-14 05:44 PM
1 519
Why there no change in volume and enthalpy of solution when two components are mixed
Jul16-14 10:47 AM
6 772
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
4 903
Hi, I red in reaction kinetics that if you plot the concentration of A againts "some constant times the...
Jul14-14 07:49 PM
2 837
In the chemical engineering curriculum I saw "general chemistry for engineers." How different is it from regular...
Jul14-14 12:01 PM
7 1,961
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
2 1,606
I am struggling to understand how to determine splitting patterns for molecules. For example, (see attached) I was...
Jul12-14 02:59 AM
5 1,738
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
9 1,337
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
5 1,034
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
7 1,834
How to determine the bond angle based on the formula of molecules?
Jul9-14 05:22 AM
3 1,627
Hello! I am researching on bio-plastics and have created bio-plastics out of two waste products. In order...
Jul8-14 11:43 PM
6 1,566
My A level Chemistry textbook defines Lattice Energy as "the enthalpy change when 1 mole of an ionic compound is...
Jul8-14 02:09 PM
6 1,328
I am interested in knowing whether what changes would happen at the molecular and atomic level, to a material...
Jul5-14 11:16 AM
1 1,343
Hi everyone, I am doing MD simulation for zirconium (hcp). I have to input some orientation for crystal in...
Jul4-14 04:35 AM
4 1,772
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 1,690
Dear community fellows Can somebody help me in identifying the name of SnMg2O4 ? Other examples are ZnAl2O4 (Zinc...
Jul1-14 11:38 PM
7 2,487
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 1,572
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
3 2,137
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
11 1,821
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 1,627
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
4 1,591
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
5 1,632
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
4 1,767

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