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Glass tubing for leading gasses
Most stoppers have 5mm holes, except #1 and below, which have smaller holes. The vendor will list th ... |
27-6-2011 at 09:29
by: barley81 |
Nitric acid color
I just noticed that the acid has brown NO2 gas above the liquid. I'll let it sit in the dark from no ... |
26-6-2011 at 07:42
by: barley81 |
does chlorine affects calcium carbonate?
Carbonic acid is a stronger acid than HClO, and CO2 can be used to make chlorine water with calcium ... |
25-6-2011 at 09:15
by: barley81 |
Copper carbonate and some strange complex
The dark blue complex could be tetrahydroxycuprate, formed if Cu(OH)2 dissolved in excess hydroxide. ... |
22-6-2011 at 14:26
by: barley81 |
good rubber solvent
I read somewhere that gasoline can be used to make rubber cement, but it was used with "natural rubb ... |
21-6-2011 at 04:22
by: barley81 |
H2O2 (30%) decomposition via Iron Oxide (Red - II)
Ok, if it works for you. I was talking about using MnO2, in which case the reaction is too rapid wit ... |
20-6-2011 at 13:19
by: barley81 |
H2O2 (30%) decomposition via Iron Oxide (Red - II)
I believe the iron oxide is catalyzing the decomp. of the peroxide. In that case, adding more iron o ... |
19-6-2011 at 18:48
by: barley81 |
Nitric acid color
I poured about 300mL of colorless 70% ACS nitric acid into a glass bottle w/glass stopper lubricated ... |
18-6-2011 at 11:33
by: barley81 |
Which is your year of birth?
I just turned 14 on 5-19 and joined this forum recently. I've loved chemistry for as long as I can r ... |
14-6-2011 at 18:34
by: barley81 |
Hazmat, Bomb Squad Called For Boy Scout First Aid Kit
Interesting point. The incandescent specialty bulbs in the kitchen are no longer manufactured, so my ... |
13-6-2011 at 20:40
by: barley81 |
Hazmat, Bomb Squad Called For Boy Scout First Aid Kit
Hehehe... I use mercurochrome in my first aid kit. Better lock it in a buried safe 
It is ridicu ... |
13-6-2011 at 19:29
by: barley81 |
Help with Calulating pH and Concentration
Your calculations seem correct, but you have a problem with significant figures.
Here is a link to ... |
13-6-2011 at 19:08
by: barley81 |
Pretty Pictures (1)
A few drops of iodine tincture in a flask with mineral oil and water.
[file]14587[/file] |
12-6-2011 at 11:16
by: barley81 |
