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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
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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
64 155,024
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
0 41,036
I am doing research on synthesis of copper nano particles. I would like to have a cyclic voltammetry (CV) of this...
T 09:15 AM
0 4
This is a question in "Chemical Principles, 6th Edition, Steven Zumdahl": Bond energy has been defined in the text as...
T 05:57 AM
14 1,113
I was reading this website ( on calculating pH...
Y 01:51 AM
3 312
OK so we have a dipolar bond between two elements. This bond makes the other electrons redistribute in order to rest...
Jul28-14 04:22 PM
Nick Jackson
0 91
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
5 743
The refractive index of H2 = 1.0001594 under the following conditions : P = 101325 Pa T = 273.15 K I...
Jul28-14 06:23 AM
12 846
I am currently in Year 12 (high school) and have been doing a wine-making experiment for chemistry. This has involved...
Jul28-14 04:43 AM
28 5,889
Why is Ksp not defined for soluble salts? Also, when an equilibrium is established between the solid, undissolved salt...
Jul28-14 04:28 AM
2 1,243
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
1 339
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
2 525
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
1 377
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
7 2,200
Does it have to do with sucrose decompose into glucose and fructose or surface area? Caramelization occurs when sugar...
Jul24-14 10:29 AM
8 878
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
2 478
What are biocompliant solids and what are its use?
Jul23-14 03:29 AM
2 1,006
Dear All, I would like to know about (question related to computational chemistry): what is valence molecular...
Jul23-14 02:52 AM
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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
2 969
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
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I think the title says it all. Lemme know if it is unclear.
Jul21-14 02:21 AM
2 820
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
2 657
Transition elements can form ions with different charges. Why can't elements other than transition elements form ions...
Jul21-14 01:29 AM
1 619
According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode...
Jul20-14 02:13 PM
1 1,424
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
1 747
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 2,325
Why when phosphorus is added to silicon, phosphorus bind with only four silicon atoms and contributes with its extra...
Jul18-14 01:45 PM
4 962
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 1,265
Why there no change in volume and enthalpy of solution when two components are mixed
Jul16-14 10:47 AM
6 1,651
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 1,670
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 1,613
In the chemical engineering curriculum I saw "general chemistry for engineers." How different is it from regular...
Jul14-14 12:01 PM
7 3,007
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 2,555
I am struggling to understand how to determine splitting patterns for molecules. For example, (see attached) I was...
Jul12-14 02:59 AM
5 2,699
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
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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 1,888
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 2,666
How to determine the bond angle based on the formula of molecules?
Jul9-14 05:22 AM
3 2,555
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 2,522
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 2,272
Hi everyone, I am doing MD simulation for zirconium (hcp). I have to input some orientation for crystal in...
Jul4-14 04:35 AM
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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
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