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Colors of hydrogen balloon flames during lectures
[rquote=271527&tid=23040&author=Morgan]I wonder why it sometimes or more often burns with a ... |
13-1-2013 at 14:31
by: per.y.ohlin |
Is potassium amide one of the strongest bases known?
There are much stronger bases out there. See <a href="http://en.wikipedia.org/wiki/Superbase"> ... |
30-7-2012 at 13:26
by: per.y.ohlin |
Legality of distillation glassware
Distilling alcohols other than ethanol shouldn't give you any problem from the law. Take a look at t ... |
21-7-2012 at 11:14
by: per.y.ohlin |
Wanted: members willing to seed forum backup via bittorrent
My upload speed is around 1.6 megabits/second. I can seed basically 24/7. I would be glad to help.
... |
31-5-2012 at 20:33
by: per.y.ohlin |
Distillation of H2SO4 > What tubing stands up to it?
If you are dealing with simply boiling down the acid, then I don't see the point of tubing (collecti ... |
26-1-2012 at 23:03
by: per.y.ohlin |
First reaction (safety question) - CaC2 to C2H2 to C6H6 (via thermal polymerisation)
This reaction is extremely dangerous. Even if you manage to seal the apparatus and flush out all the ... |
5-10-2010 at 03:31
by: per.y.ohlin |
Sodium Bisulfate?
The reaction is 1mol H<sub>2</sub>SO<sub>4</sub> to 1mol NaOH.
H<sub&g ... |
17-7-2010 at 18:48
by: per.y.ohlin |
RDX E method
"Addition of boron fluoride to the mixture promotes the initiation of the reaction and increases its ... |
10-7-2010 at 22:25
by: per.y.ohlin |
OTC Indicators for EDTA titrations?
It's fairly easy to find actually. [url]http://www.makershed.com/ProductDetails.asp?ProductCode=ZUNC ... |
25-5-2010 at 03:28
by: per.y.ohlin |
Probable way to Cl2C=CH-OH
Acetylene and chlorine is hypergolic. The reaction procedes as follows:
C<sub>2</sub>H& ... |
2-4-2010 at 08:36
by: per.y.ohlin |
Pentaerythritol from erythritol
[img]http://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Pentaerythritol.svg/200px-Pentaerythri ... |
21-3-2010 at 10:14
by: per.y.ohlin |
Detonation of erythritol tetranitrate (ETN) with heated aluminum
I know bang does not always mean detonation, but with a small quantity of unconfined ETN I cannot im ... |
17-3-2010 at 12:29
by: per.y.ohlin |
Detonation of erythritol tetranitrate (ETN) with heated aluminum
Detonation refers to a supersonic explosion. If the ETN goes "poof", it is called a deflagration. If ... |
16-3-2010 at 15:45
by: per.y.ohlin |
Chemical Demonstration Idea Suggestions
Water starts a fire?
Ammonium nitrate/zinc dust composition with a small amount of a chloride. Add ... |
9-3-2010 at 03:41
by: per.y.ohlin |
Problem boiling down sulfuric acid
I've always had horrible bumping when directly boiling sulfuric acid. I once had ~100mL of partially ... |
3-3-2010 at 15:17
by: per.y.ohlin |
NH3, H2SO4, and HNO3 from fertilizer
Ammonium nitrate is an extremely insensitive explosive. I don't know of any way to reliably detonate ... |
25-2-2010 at 19:24
by: per.y.ohlin |
Nasty gases with NH4NO3
Bleach is a mixture of NaClO, NaOH, and NaCl.
NH<sub>4</sub>NO<sub>3</sub> ... |
14-2-2010 at 06:07
by: per.y.ohlin |
Ammonium Nitrate with recent regulations in mind
According to the link I gave, isopropanol works just as well. |
30-1-2010 at 16:08
by: per.y.ohlin |
Ammonium Nitrate with recent regulations in mind
[url=http://www.phasediagram.dk/mixeds/k2so4.htm]The solubility of K<sub>2</sub>SO<su ... |
29-1-2010 at 20:03
by: per.y.ohlin |
Ammonium Nitrate with recent regulations in mind
It appears to me as though you are having difficulty writing the chemical formulae for a few compoun ... |
29-1-2010 at 16:49
by: per.y.ohlin |
(Re)drying CaCl2?
I doubt water buildup would produce any significant pressure, but a large bubble of water could caus ... |
27-1-2010 at 13:07
by: per.y.ohlin |
Talk to me about V2O5 and toxicity in general
The different amounts of compounds likely has a significant effect. If two compounds have a similar ... |
11-1-2010 at 14:01
by: per.y.ohlin |
The short questions thread (2)
In case anyone wants a very precise calculation, I assumed there could be some volume change upon mi ... |
26-12-2009 at 14:00
by: per.y.ohlin |
Isopropanol – Dry Ice Bath
[url=http://images.google.com/imgres?imgurl=http://1.bp.blogspot.com/_dNiTtZsfa2Y/SUU_9qmTezI/AAAAAA ... |
25-12-2009 at 15:31
by: per.y.ohlin |
Our Beloved Nitric Acid
[rquote=167692&tid=12899&author=User]
One could even use DCM to extract the HNO3 and distil ... |
20-12-2009 at 18:10
by: per.y.ohlin |
