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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
0 41,690
chemistry, websites Sticky Thread Pinned: Good chemistry websites ( 1 2 3 ... Last)
I think that these links can be interesting: PeriodicTable:
Aug20-14 04:40 PM
Andrew Tsvyk
116 150,022
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
64 157,354
Hello all, Since I want to do an organic chemistry experiment by using uv-light at 273 nm I'm seeking for an...
Dec3-13 09:12 AM
2 722
Is there a water depth at which the gas can no longer be created by hydrolysis, or can something be done to push the...
Dec15-13 08:10 PM
Simon Bridge
6 722
So I have a typical 9volt battery attached to a Christmas light and am attempting to demonstrate the typical...
Feb21-14 08:18 AM
6 722
I have a list of various organic components I would like to extract from different fruits, vegetables, and plants and...
Apr30-14 02:15 AM
17 722
I'm having some doubts about Ksp, solubility, Kb... 1) If a salt has a solubility of 1g/L, it means that a) there...
Sep26-12 02:16 AM
1 723
When an ROH is converted to an R--OTs, why must this mechanism be either Sn2 or E2?
Nov14-12 12:33 AM
2 723
(A)its Lewis structure contains an unpaired electron (B)its shape is bent like that of H2O (C)only one correct...
Jul18-13 08:36 AM
0 724
A relatively easy question regarding hybridized orbital (keep getting confused for some reason): What is the...
Feb3-14 01:43 AM
3 724
Before submitting this thread for deletion (claiming it's been asked a jillion times before and answered...
Mar12-14 07:11 PM
Simon Bridge
4 724
I have two files with atomic coordinates for the same generated strucutre (cycle made of eight sulphur atoms), but...
Jan5-14 03:15 PM
4 725
What characteristics of a chemical compound or atom make it suitable to be used as an excess reactant.
Nov29-09 12:44 PM
1 726
For example, if I am given something like HCl and NaOH, or ##HNO_3## and ##Ba(OH)_2##. Can someone explain how I would...
Aug31-13 04:46 PM
1 726
For a multi-step reaction, how is the rate determining step defined. Is it -the step with the highest activation...
Dec1-13 10:01 PM
0 726
Am I right to think that the potential established at an electrode immediately when placed in solution is given by ...
Jul18-13 09:09 AM
0 727
I want to know what catalyst is used in the Fischer–Tropsch process to get fuels.
Mar3-13 05:15 PM
1 727
This is for self study. 1. Why don't some molecules react? For example, NH3 + CaCO3 2. Where can I find a...
Apr16-13 10:09 AM
1 727
Any way to easily extract the sodium out of a unit of table salt. Due to the dangers of Cl2 gas I will use a fume...
Dec29-13 03:23 AM
2 727
Perhaps I have some mental block with basic algebra (so don't judge me on that), but... Here is a simple high-school...
Feb19-13 04:06 PM
2 728
Okay this maybe a silly question but I had to ask. In school we are making standard solution to perform a...
Mar1-13 11:25 AM
2 729
In such that the same manner as alkali metals I would presume?
Sep10-13 07:19 PM
3 729
I understand the concept of balancing chemical equations but in the case of redox reactions I don't understand the...
Nov15-13 06:54 AM
1 729
Hi everyone, this is my first time posting to this website. I'm just trying to study for organic chemistry, and...
Oct29-12 03:01 AM
0 730
I was reading this website ( on calculating pH...
Jul29-14 01:51 AM
3 730
I'm way outside my realm of knowledge here so perhaps I need some help polishing my question or the concepts behind...
Mar22-13 09:26 PM
2 731
Do I need to worry about the pore size, or can I just assume that any/all paper filter will remove the organic...
May25-14 08:36 PM
6 731
I have been asked to determine the Amp-Hour capacities of a competing battery technology that is not yet released. I'm...
Aug9-12 10:55 AM
1 732
Hey folks, I'm trying to obtain the melting points of several materials in a vacuum. It's pretty...
Apr17-13 01:50 AM
1 732
hello, i have no bubbles in distillation of phenylacetone under vacuum, the heat is about 120c, and the vacuum pump...
Dec4-12 10:40 AM
1 733
Hello everyone, This may seem like a weird question, but today I had a discussion with my teacher in which I won't...
Oct23-13 05:43 PM
1 733
I am interested to know what a metal's molecular structure is in the following stages: 1) Home from the store 2)...
Apr28-11 02:12 AM
1 734
Forgive me as I have no formal secondary education so my actual knowledge of terms and what not is limited but I am...
Nov3-13 01:08 PM
1 734
I am attempting to make a ferrofluid display for one of my classes and i am having an issue with clumping. I have a...
Apr16-13 08:10 PM
0 735
I have "5 small pieces" of potassium purchased from Flinn in 1995 in my school's cabinet. I am concerned because the...
Aug22-13 08:47 AM
0 736
Hi all, I'm learning how to solve redox equations. I found the algebraic method to solve equations such as this...
Oct23-13 04:15 AM
1 736
I have some basic idea about spectroscopy but i cant completely understand how charge transfer inside a molecule...
Nov10-13 08:46 AM
Vivek des
0 737
Calculate the pressure exerted by 0.3000 mole of He in 0.2000L container at -25.0^o C a) Using the ideal gas law...
Mar18-10 12:25 PM
1 738 The correct answer states its C which i understand why since doubling the intiial...
Jul24-12 12:30 PM
1 738
I just have a small question? What is the AcHN structure that attach to the carbon number 2 on malonate ester,...
Dec15-12 03:23 AM
1 738
Hi i have a general question concerning the behavior of a weak base NH3 in water. If we have a reaction between a...
Feb21-14 10:34 AM
0 739
So I was watching a video about Gibbs-Donnan equilibrium ( On one side...
Jan24-14 01:11 AM
10 741

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