Register to Post Thread


- The study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical...
RSS Feed Icon
Meta Thread / Thread Starter Last Post Replies Views
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 41,870
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
116 150,669
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
64 157,894
Are species such as sulfuric acid and phosphoric acid better represented as charge-separated species rather than as...
May8-14 01:33 AM
13 717
Hi, I'm just wondering why, chemically, acetone will stain plexiglass (Plexiglas) rather than cleaning it? Thanks...
Oct28-13 08:17 PM
2 717
First one: is this an intramolecular photocycloaddition? ...
Dec17-13 10:18 AM
1 717
Are there any material that contact with water and expand? I can think of sodium polyacrylate, but I can't use it....
Jan29-14 10:54 AM
8 717
Is carbon dioxide at relatively the same concentrations in China, America and Antarctica for example? Or (I'm not...
Jun3-14 04:31 PM
14 718
Heres a few nucleophilic additions: I need to know in which of these...
Aug4-12 04:18 PM
0 719
I'm fascinated by this sonoluminescence phenomenon, and how it could apply to photosensitizers, so as a mental...
Nov20-13 12:05 AM
Hyo X
1 721
Hello everyone, I have been studying the electrolysis of water lately and the thought crossed my mind. When a...
Jan1-14 01:49 AM
0 721
Its a protein powder mix. is there anything that raises eyebrows? <a...
Feb11-13 12:15 PM
1 722
In this article: they mention "axial ligands" and "peripheral ligands"....
Nov13-13 08:37 AM
2 724
When an ROH is converted to an R--OTs, why must this mechanism be either Sn2 or E2?
Nov14-12 12:33 AM
2 725
I am doing titration of NaOH with oxalic acid at school and none of my results are close together at all. I got 1....
Mar12-13 09:37 AM
5 726
I have read from a few sources that an atom's third energy level can sometimes hold 8 electrons, and other times hold...
Nov26-13 05:51 PM
Simon Bridge
3 727
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
2 727
Is the degree of dissociation the value of Alpha when the dissociation begins with 1 mole of the solute, or is it...
Apr15-14 04:48 PM
11 727
What characteristics of a chemical compound or atom make it suitable to be used as an excess reactant.
Nov29-09 12:44 PM
1 728
Is there a site where you can find new molecule templates that you can import into ChemDraw? For example, lets I need...
Nov14-13 08:14 AM
0 730
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
6 730
Dealing with these has reminded me why I hated chemistry. What is the relationship between the above 3? Given...
May7-14 01:02 PM
9 731
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
0 731
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
1 731
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
1 732
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
1 732
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
1 732
(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
0 733
I want to know what catalyst is used in the Fischer–Tropsch process to get fuels.
Mar3-13 05:15 PM
1 733
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
2 733
So I have a typical 9volt battery attached to a Christmas light and am attempting to demonstrate the typical...
Feb21-14 08:18 AM
6 733
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
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
1 734
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
0 734
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
2 734
Hi everyone, Some time ago i made a DIY AC Stick Welder, while i understand the basics of the machine, heat...
May9-14 03:03 PM
7 734
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
2 735
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
2 735
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
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
0 735
I have two files with atomic coordinates for the same generated strucutre (cycle made of eight sulphur atoms), but...
Jan5-14 03:15 PM
4 735
In such that the same manner as alkali metals I would presume?
Sep10-13 07:19 PM
3 736
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
17 736

Register to Post Thread
Bookmark and Share

Display Options for Chemistry Mentors
Showing threads 401 to 440 of 6940 Mentors : 2
Forum Tools Search this Forum
Search this Forum :
Advanced Search