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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
jackmell
64 136,785
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/...
Apr18-14 03:49 PM
djh101
114 126,559
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:03 PM
chemisttree
0 36,412
Hi, I am doing a quantitative chemistry experiment for my next assessment and I have to choose between the following...
Jan21-11 06:45 AM
Borek
6 4,727
Which is more electronegative, nitrogen or chlorine? Most of what I hear or read says that nitrogen is more...
Jan24-11 02:20 AM
DrDu
5 6,923
Looking for ideas that allow me to create Methane ( CH4 ) from gaseous hydrogen. This requires bonding one carbon atom...
Jan18-11 12:00 PM
MacGyver2
38 5,132
why is phenyl shift better than methyl shift?
Jan17-11 06:48 AM
NEILS BOHR
10 3,896
The electronegativity of Oxygen is higher than that of H, thus the electrons tend to stay a little more on the oxygens...
Jan20-11 08:44 AM
NEILS BOHR
16 7,102
Because if redox is the transfer of electrons between atoms, and ionic bonding is when one or more electrons go are...
Jan19-11 11:23 AM
NEILS BOHR
3 3,602
I am going to modified the pristine montmorillonite (MMT) by using cationic surfactant. However I am confusing on the...
Jan24-11 01:36 PM
chemisttree
3 6,960
Recently, there is a new type of battery is developing that has silicon anode which is able to absorb 8 times more...
Jan21-11 10:59 AM
Stanley514
2 1,500
Hi, just wondering about MO theory. Take O2 for example; O is sp2 hybridised according to VB theory. However, when...
Jan26-11 09:00 AM
DrDu
7 2,808
Does anyone tell me why the potential energy increase(becomes more positive) when two atom put closer to each other...
Jan22-11 05:43 AM
Borek
6 3,586
Hello everyone, Is their simple reason for this. Like how there must be 8 electrons in outer shell,I know that is...
Jan17-11 02:39 AM
Borek
1 3,023
Whenever I think of an ion I think of an atom that can generate electricity. Something powerful. I wonder, if an ionic...
Jan17-11 04:39 AM
Femme_physics
4 1,765
I am looking to make a homemade volcano for some kids as a chemistry demonstration similar to a baking soda and...
Jan18-11 03:59 PM
adl2114
0 880
I teach physics at a community college, and I do a lab in which the students measure the pressure of air at constant...
Jan19-11 07:17 PM
RocketSci5KN
5 1,556
How would adding too much indicator to a base being titrated by an acid affect the result? Can I list it as a...
Jan22-11 04:11 AM
Borek
15 6,532
I'm taking HL Chem and need to submit my research question proposal tomorrow. Any suggestions? A creative but doable...
Jan20-11 04:55 PM
chemisttree
1 1,705
I`ve read that ATP stores lot of energy because it have three oxygen atoms, each one with spare...
Jan20-11 08:07 PM
zhermes
3 1,571
hi, I need help with this problem, ( i've spent fairly enough time trying to figure it out but :( anyways, i'm...
Jan23-11 04:06 PM
Jennifer_88
16 3,286
Hi Everybody :) Recently I have been thinking on the concept of reusing paper instead of recycling it by using a...
Jan30-11 06:23 PM
Mosen
4 2,660
Not particually a paradox, just liked the word play. Anyway... The definition of a redox reaction is a reaction...
Jan22-11 03:52 AM
Borek
3 1,621
At what pressure will regular gasoline spontaneously explode/ignite? Would it be safe to pressurize it to 100 PSI in a...
Jan26-11 10:08 PM
workinprogres
23 6,319
Hi, I was wondering why titration is a good method for determining concentrations. For instance to determine the...
Jan26-11 10:34 AM
Borek
13 5,356
What is the maximum size scale (how many atoms) where the concept of wave function is still useful in chemistry esp....
Jan28-11 04:16 PM
alxm
12 2,065
Structure of guanidine is as follows:...
Jan26-11 10:01 AM
DrDu
1 2,082
What is the concept behind 'irreversible adiabatic process' ? Why is the expression for work done in this case...
Jan29-11 07:08 AM
DrDu
14 7,057
What is the function of salt bridge in a daniell cell?Why KNO3 is used in salt bridge ?
Jan27-11 12:38 AM
symbolipoint
1 4,814
Ok, I've always wondered, is there any explanation behind the Law of Mass Action? In my textbook, the law is just...
Jan28-11 02:27 AM
Borek
1 1,521
I'm reading in my organic chemistry text about the structure of alkyl halides, as a background to why certain...
Jan28-11 03:31 PM
chemisttree
1 3,712
Why when a chemical species is stablized by resonance, its energy level is lower? As I know, resonance is only a kind...
Jan30-11 04:37 PM
zhermes
1 933
I am a highschool chemistry AP student. In class, my teacher told us about how benzene's delocalized ∏ electrons can...
Jan29-11 08:42 AM
DDTea
1 949
While reading about Nitroglycerin a number of time I've read that it used to be frozen for transport but upon thawing...
Jan31-11 09:01 AM
workinprogres
2 1,745
What is the mechanism that results in formic acid quickly converting to CO2. I know this happens under basic...
Jan29-11 08:32 AM
DDTea
1 2,141
HI, I want to know the details of the following reaction 400 C ...
Jan29-11 05:48 PM
themonk
1 2,030
Does electron affinity increase across the period, and decrease down the group?
Jan30-11 10:13 AM
pzona
1 1,630
Out of curiosity, how would one experimentally determine the entropy of a substance at standard state?
Jan30-11 03:00 PM
LeonhardEuler
1 3,349
I'm trying to understand this: http://en.wikipedia.org/wiki/Equilibrium_constant#Derivation_from_Gibbs_Free_Energy...
Jan31-11 01:59 AM
Borek
3 1,696
Hi :) I've been having some trouble getting my head around Tollens' solution, but especially the mechanisms in its...
Jan31-11 09:05 AM
Zynwyx
4 5,172
Hi, My question is about the definition of alkalinity, I found this one: Dickson (DOE, 1994; compare also...
Feb2-11 05:12 PM
Vulgar
17 4,054
Sodium is a soft, reactive metal. Chlorine is a poisionous, reactive gas. Expose them to one another and they will...
Feb2-11 03:04 AM
symbolipoint
22 2,778
I am curious as to how to calculate the heat of reaction for a exothermic chemical reaction other than at 298.15K. ...
Feb2-11 12:07 PM
juice34
0 1,501

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