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Ignition coil drivers
[quote][i]Originally posted by tom haggen[/i]
I know what a potentiometer does, I just don't k ... |
21-4-2004 at 15:19
by: hodges |
Precipitation with Alcohol
I keep seeing references to precipitating salts from water solution using alcohol. Why does this wo ... |
21-4-2004 at 15:10
by: hodges |
Silver / Copper Nitride
Thanks, Kaboom and BromicAcid, for the detailed information. Yeah, I meant to type Ag3N not AgN3, i ... |
19-4-2004 at 16:48
by: hodges |
Iron Oxide
Its hard to say what oxide you got because the hydroxide can react with oxygen in the air. For ther ... |
18-4-2004 at 13:15
by: hodges |
Silver / Copper Nitride
[quote][i]Originally posted by rogue chemist[/i]
Did you do any heating or did you just add the amo ... |
17-4-2004 at 17:59
by: hodges |
Ag3N - No Success
I precipitated some Ag2O from a AgNO3 solution using excess NaOH. I put a small amount (miligrams) ... |
17-4-2004 at 12:03
by: hodges |
Iron Oxide
If you heat the insoluable precipitate strongly (say to 200 C) for an hour or so you will create iro ... |
17-4-2004 at 11:55
by: hodges |
Making own Nitric Acid
Sure. I thought, though, that since you were trying to make nitric acid this way you didn't ha ... |
17-4-2004 at 11:43
by: hodges |
Other Alcohols?
I wonder if it has to be ethanol? Would isopropyl alcohol work. I take it the only purpose of the ... |
16-4-2004 at 16:22
by: hodges |
Making own Nitric Acid
Presumably you can. It will be impure though - at the very least it will contain NH4NO3 since not a ... |
16-4-2004 at 16:13
by: hodges |
Silver / Copper Nitride
I have read that silver nitride (Ag3N) is about as easy to make as nitrogen tri-iodide and just as s ... |
15-4-2004 at 14:47
by: hodges |
Making own Nitric Acid
http://mattson.creighton.edu/NH3/
Demonstrates making NO2 using NH3 and oxygen at normal atmosphe ... |
15-4-2004 at 14:32
by: hodges |
Another Site
http://jchemed.chem.wisc.edu/JCESoft/CCA/ |
13-4-2004 at 14:30
by: hodges |
MgSO4 --> H2SO4
[quote][i]Originally posted by Esplosivo[/i]
The only problem is that the carbon electrodes I' ... |
8-4-2004 at 06:12
by: hodges |
What could i do with these chemicals?
[quote][i]Originally posted by abnormal989[/i]
how would i go about making that weater paper? [/quo ... |
6-4-2004 at 14:52
by: hodges |
Complex ions of copper
I'm not having too good of luck drying my tetraamminecopper nitrate. The dark blue color fades ... |
5-4-2004 at 14:51
by: hodges |
What could i do with these chemicals?
If you make a solution of the cobalt chloride and soak some paper in it, when it dries you will have ... |
5-4-2004 at 14:44
by: hodges |
MgSO4 --> H2SO4
[quote][i]Originally posted by Quantum[/i]
I ran the cell over night and the pH is 10 for the Mg(OH ... |
4-4-2004 at 13:02
by: hodges |
Sodium!
I think if by "9V battery" you mean one of those tiny things a few centimeters square and ... |
4-4-2004 at 12:41
by: hodges |
[Cu(NH3)4]SO4 Results
I made some tetraamminecopper sulfate. I started with 12.5 grams (0.05 moles) of copper sulfate pen ... |
2-4-2004 at 16:09
by: hodges |
stains form KMnO4
I seem to remember that sodium thiosulfate would remove these stains - but maybe I'm thinking o ... |
2-4-2004 at 15:53
by: hodges |
Joke - But I have actually made X-rays before
Correct, this was a joke  .
I have actually created (weak) X-rays before though. I did in fact ... |
2-4-2004 at 15:48
by: hodges |
Strange Lead Compound?
A while back I did some experiments with gas discharge tubes using a vacuum pump I purchased on E-Ba ... |
31-3-2004 at 16:27
by: hodges |
A Sciencemadness retrospective
I would like to thank everyone responsible for creating and maintaining this board!
I was very in ... |
29-3-2004 at 16:47
by: hodges |
Electrolysis of Nitrates
[quote][i]Originally posted by darkflame89[/i]
Won't the electrolysis of nitrate salts gives n ... |
29-3-2004 at 16:00
by: hodges |
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