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- The study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical...
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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
chemisttree
0 39,877
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/...
May7-14 10:06 PM
Awheezi
115 141,118
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
64 150,060
Im going to try my best to write out this chemical equation. Also I'm gonna write a forward arrow but it's really it...
Feb19-14 11:56 PM
kevinnn
0 699
hi guys just a quick query i am hoping someone can help me with. i was working on a radioimmunoassay with I-125...
Jan2-10 05:28 AM
Borek
1 700
STP is 273 K(0 C) and 1 atm while Standard State is 298 K(25 C). Besides the numerical difference, when is which...
Oct23-13 10:25 AM
WK95
0 700
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
6 700
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
Borek
2 700
What is the relationship between attractive forces and real volume of a real compared to a ideal gas? Does pressure...
Nov4-12 09:27 PM
chemisttree
3 701
(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
Duane
0 701
I have two files with atomic coordinates for the same generated strucutre (cycle made of eight sulphur atoms), but...
Jan5-14 03:15 PM
Borek
4 702
Does the electron emit electromagnetic waves?
Oct18-13 05:14 PM
berkeman
13 703
According to my chemistry textbook, the I- ion is discharged at the anode. Yet, according to standard electrode...
Jul20-14 02:13 PM
ndawanamazvita
1 704
This is about what to include in a chemistry lab report. I have used a similar beaker in four experiments and weirdly,...
Jun19-12 02:19 AM
Borek
1 705
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
Borek
1 705
Could someone offer a pointer to whether I have the right thinking on this, please? The way I see it, the K2CO3...
Jun2-14 03:02 AM
Borek
9 705
Hey folks, I'm trying to obtain the melting points of several materials in a vacuum. It's pretty...
Apr17-13 01:50 AM
DrDu
1 706
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
chemisttree
1 707
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
Borek
5 707
Does anyone know what citation I should use for an academic paper in biochemistry????(like MLA, ALA, or what?)
Sep7-13 05:26 PM
saminator910
3 707
Does anybody know electrolyte that doesn't react with ZnO for electrolysis of water? NaOH and KOH is good electrolyte...
Oct10-13 10:14 AM
Borek
3 707
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
VenaCava
0 707
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
Borek
1 709
When an ROH is converted to an R--OTs, why must this mechanism be either Sn2 or E2?
Nov14-12 12:33 AM
Woopydalan
2 709
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
wsomma
0 709
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
Borek
1 709
Hello, I'm attempting to restore my Plasma Sciences CrC-150 Sputtering system, and I'm having a terrible time...
Feb15-14 07:05 PM
Mike_In_Plano
1 709
hi, this might be a stupid question. if so, bear with me. i've been using the following equation in my...
Jun27-13 02:25 AM
Borek
1 710
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
SBob
2 711
I want to know what catalyst is used in the Fischer–Tropsch process to get fuels.
Mar3-13 05:15 PM
Borek
1 712
Dear all, I am trying to synthesis a compound as given the paper below. Can someone help me of how to calculate the...
Oct18-13 07:20 AM
Borek
3 712
http://i.imgur.com/FCpTz.jpg The correct answer states its C which i understand why since doubling the intiial...
Jul24-12 12:30 PM
pa5tabear
1 713
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
Borek
2 713
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
mishima
0 713
Hello does anyone know an easy way to purify methane made from biomass? Im not sure what gases im producing but i know...
Dec12-13 08:19 AM
iwant2beoz
4 714
Are electrons negative to anything? Did we notice two different charges and decide to label them like we did with left...
May24-14 09:56 PM
jtbell
2 714
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
jedishrfu
1 715
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
ochemstudent
0 716
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
ChiralWaltz
2 716
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
Yanick
1 717
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
0 717
Copper (ii) chloride is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate. According...
Nov28-13 10:59 PM
khanhhung2512
5 717
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
Borek
1 719

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