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Mischmetal coloration - Fe?
I dissolved mischmetal in 1% acetic acid. The iron appears to be quite insoluble at this dilution, s ...
17-12-2011 at 17:32
by: LanthanumK
mercury disappearence
That would be a good experiment to try.

I keep liquid mercury and am fascinated by its chemistry, ...
14-12-2011 at 06:00
by: LanthanumK
The trouble with neodymium...
Upon dissolution of a neodymium magnet in hydrochloric acid, precipitation with sodium bicarbonate, ...
12-12-2011 at 09:39
by: LanthanumK
Lead(II) halides
The concentration of Cl(-) ions affects the PbCl2 solubility. When a large amount of Cl(-) is added, ...
30-11-2011 at 09:52
by: LanthanumK
Lead(II) halides
Back to Pb; ScienceSquirrel was partially correct. When I added HCl in place of the NaCl, a white pr ...
30-11-2011 at 07:54
by: LanthanumK
Lead(II) halides
I had a solution of lead acetate and tried to precipitate the chloride and bromide using sodium chlo ...
29-11-2011 at 05:13
by: LanthanumK
Some things I don't understand.
There is no reduction or oxidation going on. It is the formation of insoluble CaCO3 that drives the ...
14-11-2011 at 08:10
by: LanthanumK
Problem in making tungsten compounds
To make WO3 just pass a large amount of current through the filament. Anhydrous WO3 is formed, which ...
14-11-2011 at 08:05
by: LanthanumK
Which elements do you have in its pure state ?
I have pure H, Li, Mg, Co, Fe, Ni, Cu, Zn, Cd, Hg, Cr, Mo, I2, S, O2, He, Ne, Ar, Kr, Xe, W, Pt, Au, ...
3-11-2011 at 04:40
by: LanthanumK
Sodium acetate vs. Cl2
I do not think any reaction occurs between acetate and chlorine or hypochlorite. Acetate is very res ...
10-10-2011 at 10:41
by: LanthanumK
Chemistry demographics
For me, basic chemistry is split about 50/50. I might ask someone who teaches organic chemistry whic ...
10-10-2011 at 10:35
by: LanthanumK
Preparation of Sodium persulfate
Electrolytic oxidation? Researching sodium persulfate on Google may help get the specifics.
10-10-2011 at 06:36
by: LanthanumK
Barium-nickel alloy
Actually, how commonly are these used in spark plugs?
9-10-2011 at 13:29
by: LanthanumK
Copper Compound Reactions
When copper(II) is crystallized out of an acidic solution, it forms green crystals, such as my CuCl2 ...
27-9-2011 at 09:22
by: LanthanumK
elemental magnesium from magnesium sulfate (epsom salts)
Electrolysis of MgSO4 produces Mg(OH)2 at the cathode, along with H2.
27-9-2011 at 09:15
by: LanthanumK
Separation of Potassium Hydroxide from zinc powder
For KOH just dissolve it in water. Zincates do not form readily when there is only a dilute solution ...
27-9-2011 at 09:11
by: LanthanumK
Breaking Down Chemical Solution
Just the application of ferrous chloride mixed with some sodium carbonate should produce green ferro ...
24-9-2011 at 13:41
by: LanthanumK
Manganese(II) chloride color change
It was pink initially but then changed color. I don't think that it is manganese(III) as an oxidatio ...
23-9-2011 at 10:03
by: LanthanumK
Manganese(II) chloride color change
I dissolved manganese(IV) oxide in HCl once and it produced a liquid which was almost colorless afte ...
23-9-2011 at 05:05
by: LanthanumK
holmes1880 begs to be banned, and gets his wish
This thread should really be recycled as it does not accomplish anything productive.
2-9-2011 at 17:20
by: LanthanumK
Separation of a US nickel
Of course, you would not buy 100 500mg packets; the price would be outrageous then.

If I use 50m ...
8-7-2011 at 10:27
by: LanthanumK
Tin (II) Chloride
Sn + 2 Cl2 → SnCl4

What about this reaction?
8-7-2011 at 03:00
by: LanthanumK
seperation of Cr2O3 and Al2O3
You can find out whether it is calcined by placing it in HCl and seeing if the color of the acid cha ...
8-7-2011 at 02:52
by: LanthanumK
mercury from broken thermometer
I assume you already know about the dangers of mercury. It appears that filtering is enough to remov ...
7-7-2011 at 02:56
by: LanthanumK
9+ Months Chemical Storage
The "CaO" I obtained from a 25 year old chemistry kit is completely CaCO3.

[Edited on 7-7-2011 by L ...
7-7-2011 at 02:52
by: LanthanumK
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