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Permanganates
With enough oxygen, or with an oxidizer, yes. This is demonstrated somewhere earlier in the thread. ...
13-9-2010 at 11:36
by: 12AX7
Crystal Growing
Try adding a few grains of sucrose. It will eventually crystallize (thermo says so), but it could t ...
13-9-2010 at 11:27
by: 12AX7
Dissolving MnO2
Also, any mineral acid with H2O2, which acts as a reducing agent in this case, producing excess O2 g ...
7-9-2010 at 08:47
by: 12AX7
H2SO4 by displacement of CuSO4 with H2?
Yes, the reaction proceeds, but you need something to get the H2 into solution. It normally doesn't ...
7-9-2010 at 08:41
by: 12AX7
do-it-yourself nuclear magnetic resonance spectroscopy
Anyone suggesting strong magnets as a brute-force solution is disturbingly misguided. The size of t ...
30-8-2010 at 10:49
by: 12AX7
do-it-yourself nuclear magnetic resonance spectroscopy
I was going to make a $100 NMR some day. MOT for magnet, probably an RF downconverter to recieve th ...
26-8-2010 at 09:43
by: 12AX7
ALICE propellant
This thread needs a video,
http://www.youtube.com/watch?v=CRLMsiC-SgM

Tim
26-8-2010 at 09:39
by: 12AX7
Manganese compound?
Yes, that's a weak permanganate solution.

Unfortunately, the yield is low, so you're looking at v ...
26-8-2010 at 09:32
by: 12AX7
Please change the title tags
In the mean time, you can actually maintain your bookmarks...
22-8-2010 at 16:59
by: 12AX7
Recrystallization
What's the solubility curve of each salt?

Shall we assume they do not form a compound salt (like ...
22-8-2010 at 16:52
by: 12AX7
Babington burner
I've made as-cast holes using solder and enameled wire (10 mil ~= 30AWG). Works if it stays cool.
...
22-8-2010 at 16:45
by: 12AX7
reduction of f3+ to fe2+
Yes.

Tim
19-8-2010 at 13:56
by: 12AX7
Manganese compound?
Too strong to be MnCl2.

I'd put my money on MnO4-. Bleach is strong stuff.

Next time, go for ...
18-8-2010 at 22:04
by: 12AX7
why does iron smell?
[url=http://scienceblogs.com/moleculeoftheday/2008/09/octenone_why_metal_smells.php]Octenone.[/url] ...
18-8-2010 at 22:00
by: 12AX7
Acids/bases: heats of neutralisation
It should vary with pKa because pKa is an indirect measure of energy. The neutralization of pH ~14 ...
31-7-2010 at 18:19
by: 12AX7
Nitrates
Besides the obvious majority products, there will also be unburned KNO3 and partially burned sugar ( ...
31-7-2010 at 18:07
by: 12AX7
Soviet glass electrodes
That's generally a good thing? It's my understanding that electrometer inputs are in the >10^12 ...
31-7-2010 at 08:48
by: 12AX7
Anhydrous Aluminum Chloride prepration
Copper pipe is about 99.9% or better, it's very pure stuff.

Aluminum foil is not particularly pur ...
30-7-2010 at 15:19
by: 12AX7
Crystal Growing
Curious, I wonder if this is a heptahydrate analogous to NiSO4, FeSO4, MgSO4, etc. Cu ions don't no ...
30-7-2010 at 06:33
by: 12AX7
Prismatic Copper Sulfate
Observed something interesting this evening.

Solution: an unknown mixture of CuSO4, NaCl and etc. ...
29-7-2010 at 19:22
by: 12AX7
Using the solubility rules
KCl and NaBr only form four salts together: KCl, KBr, NaCl and NaBr. Which ones you get depend on c ...
27-7-2010 at 14:06
by: 12AX7
Anhydrous Aluminum Chloride prepration
Ok, so if nothing else, you're doing thermal seperation. Like distilling TiCl4 from FeCl3 and etc. ...
27-7-2010 at 13:48
by: 12AX7
An amazing blue fluorescent compound...what is it?
Stibene is wonderful stuff, it would require at least a benzyl or ethyl group to make though.

Bip ...
27-7-2010 at 13:43
by: 12AX7
Anhydrous Aluminum Chloride prepration
Why does it not form CuCl2?
26-7-2010 at 15:34
by: 12AX7
Using the solubility rules
CaCO3 is already less soluble than Ca(OH)2. :P

There isn't anything you can add that will leave j ...
26-7-2010 at 15:28
by: 12AX7
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