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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](./images/smilies/tongue.gif)
There isn't anything you can add that will leave j ... |
26-7-2010 at 15:28 by: 12AX7 |
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