| Search |
| [Next Page] |
Where can I get relatively pure ethanol?
In California the liquor stores sell Everclear as a 75% alcohol/water mixture; in North Carolina (wh ... |
30-3-2014 at 11:07
by: annaandherdad |
One atom being a gas liquid plasma or solid.
Some comments. The phases of matter are usually understood to refer to bulk properties, so a single ... |
28-3-2014 at 08:14
by: annaandherdad |
Purifying Sulfur and Bentonite
I was wondering if you could make nice crystals of sulfur by dissolving it in liquid NH3. Of course ... |
28-3-2014 at 08:06
by: annaandherdad |
Experiment with balloon filled with charged gas
The numbers come from Coulomb's law, the assumptions were explained above (that 1 liter of He has a ... |
28-3-2014 at 08:02
by: annaandherdad |
Experiment with balloon filled with charged gas
D4RR3N---If you try to charge the surface of the balloon to repel the charges in the gas contained i ... |
27-3-2014 at 07:21
by: annaandherdad |
Purifying Sulfur and Bentonite
violet sin, I was interested in the high solubility of sulfur in liquid ammonia, according to the re ... |
26-3-2014 at 10:24
by: annaandherdad |
Experiment with balloon filled with charged gas
There is some basic physics here. If you have a macroscopic sample of matter, say enough helium to ... |
25-3-2014 at 16:06
by: annaandherdad |
Calcium Carbide In MA Area?
United Nuclear list CaC2 as one of their chemicals. Probably couldn't get it by Halloween, however. |
28-10-2013 at 12:34
by: annaandherdad |
Exploding Pumpkins
Yes, I see the coil for $95. That's what it looks like, a wooden box. I paid $75 for mine, as I re ... |
22-10-2013 at 15:01
by: annaandherdad |
Exploding Pumpkins
[rquote=304211&tid=26846&author=elementcollector1]
Our science club did some experience wit ... |
22-10-2013 at 09:56
by: annaandherdad |
Exploding Pumpkins
mrhomescientist---sounds to me like a ziplock bag inside a can should keep out moisture pretty well- ... |
21-10-2013 at 16:08
by: annaandherdad |
Exploding Pumpkins
Not sure if this is the right section for this.
A couple of days ago some kids and adults and I e ... |
21-10-2013 at 09:25
by: annaandherdad |
Silver Nitrate Synthesis
Also, I suspect the gray color woelen reports is due to silver, produced by the photo decomposition ... |
28-7-2013 at 14:44
by: annaandherdad |
Construction of an inexpensive adjustable speed magnetic stirrer
Sometimes a project like this is worth doing just for what one would learn by doing it. Some of the ... |
26-7-2013 at 07:37
by: annaandherdad |
Silver Nitrate Synthesis
To get rid of the excess acid and to avoid dust contamination while drying the silver nitrate, you c ... |
26-7-2013 at 07:24
by: annaandherdad |
golfpro's Nitric Acid for Beginners
You will have to heat the HNO3 if you want an appreciable rate of reaction with a lump of silver. ... |
25-7-2013 at 11:55
by: annaandherdad |
Construction of an inexpensive adjustable speed magnetic stirrer
Thanks, Elizabeth, I've been thinking about exactly this problem myself (how to make your own magnet ... |
23-7-2013 at 15:35
by: annaandherdad |
Porous (e)PTFE tube hunting
I'd certainly be interested if you find something. I posted a link to a youtube video on using poro ... |
20-7-2013 at 06:09
by: annaandherdad |
math books
Older books are better, IMO. Try Thomas, Calculus and Analytic Geometry. You might want to study s ... |
18-7-2013 at 13:33
by: annaandherdad |
Best tubing for chemistry
I just saw this video, http://www.youtube.com/watch?v=sVJ-WBe9AnE, and it makes me wonder if small ... |
18-7-2013 at 09:24
by: annaandherdad |
A few unconventional uses for polyethylene tubing
This is very useful information, thanks to everyone. |
18-7-2013 at 09:13
by: annaandherdad |
how many females here
My daughter, age 10, is naturally interested in science. She constantly thinks about things---when ... |
17-7-2013 at 09:47
by: annaandherdad |
Cleaning glassware and other equipment
I've had trouble with silver stains on my lavatory. I don't have a sink in my (garage) lab and so h ... |
15-7-2013 at 11:51
by: annaandherdad |
OTC Copper Mirror
arclight, your experience with copper reminds me of the silver layer produced by the Brashear proces ... |
12-7-2013 at 12:34
by: annaandherdad |
Acid strength
[rquote=291860&tid=25041&author=Cheddite Cheese]Really? Sulfides tend to react with acids (o ... |
12-7-2013 at 07:39
by: annaandherdad |
| [Next Page] |
