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More chemists is the best tactic for more acceptance of chemistry.
Someone could start a vblog!
Heck, Woelen already has a number of excellent videos; unfortunately ... |
3-8-2009 at 06:30
by: 12AX7 |
Exploding wires
Ironically, physics creates discontinuities that are physically realizable. So it's not even true t ... |
2-8-2009 at 18:13
by: 12AX7 |
The short questions thread (2)
Oh, as precipitation goes, lead acetate would be nearly as complete as silver acetate, and quite a b ... |
2-8-2009 at 18:08
by: 12AX7 |
The short questions thread (2)
The pH is never even low enough to form HCl, let alone enough to evaporate.
Ion exchange sounds l ... |
2-8-2009 at 10:54
by: 12AX7 |
Oil Shale
Wow, only two on topic posts. A record?
*lock* |
2-8-2009 at 10:52
by: 12AX7 |
Oil Shale
Trouble is, it's not deep enough to gooify, hence it's still kerogen. So you have to add energy bef ... |
2-8-2009 at 07:12
by: 12AX7 |
Elemental sulfur from sulfates
Sure. Or HCl if you want it to go faster. H2S is a lot more dangerous though.
It can be burned ... |
1-8-2009 at 12:45
by: 12AX7 |
What is stronger nitric acid or hydrochloric acid?
Anyway, acidity refers to the equilibrium ionization, of how far
[HA] <---> [H+] + [A ... |
1-8-2009 at 08:31
by: 12AX7 |
What is stronger nitric acid or hydrochloric acid?
WTF, I tried posting twice and on pressing "add reply", I was redirected to sciencemadness.org/ ???
... |
1-8-2009 at 02:30
by: 12AX7 |
post whores like me
Evidently, closer to 3. |
30-7-2009 at 00:17
by: 12AX7 |
The short questions thread (2)
Indeed, it's better to neutralize a copper solution with sodium hydroxide than carbonate for exactly ... |
28-7-2009 at 09:12
by: 12AX7 |
Elemental sulfur from sulfates
I wonder what a controlled amount of air would do. Would CO or S burn, leading to S + CO2, or CO an ... |
27-7-2009 at 02:11
by: 12AX7 |
Elemental sulfur from sulfates
CO burns in air with a thin blue flame producing harmless CO2 in high yield. |
26-7-2009 at 20:27
by: 12AX7 |
Elemental sulfur from sulfates
Over 1200C.
Tim |
26-7-2009 at 05:16
by: 12AX7 |
Frozen joints--should I be hopeless?
[rquote=158604&tid=12383&author=kyro8008]Just stick the whole thing in the freezer for a whi ... |
26-7-2009 at 00:47
by: 12AX7 |
Exotic thermites & analogs
FYI, a chloride added to thermite will melt and may shield the aluminum, requiring heavier ignition ... |
26-7-2009 at 00:46
by: 12AX7 |
Elemental sulfur from sulfates
It is gaseous and bubbles off with the CO.
Tim |
26-7-2009 at 00:42
by: 12AX7 |
PC PSU to laboratory PSU
[rquote=158551&tid=3885&author=Sedit]
The wires I have are such,
Blue: +12v ... |
25-7-2009 at 09:37
by: 12AX7 |
Can a horizontal vortex of a fluid exist by strong suction?
No. Pictured is a gravity vortex. Vacuum at the bottom isn't so much to suck as to remove liquid o ... |
25-7-2009 at 04:55
by: 12AX7 |
Magnesium–zinc intermetallic compound
The trouble with anything is that both metals have a barrier oxide on them. Although zinc is slight ... |
24-7-2009 at 23:32
by: 12AX7 |
PC PSU to laboratory PSU
When I tried using an ATX supply on my cell, it appeared to work for a little while, but failed whil ... |
24-7-2009 at 22:21
by: 12AX7 |
Magnesium–zinc intermetallic compound
Mg and Zn form a number of intermetallics, of which the laves phase is probably the most important, ... |
24-7-2009 at 22:14
by: 12AX7 |
DIY ultrasonic cavitator
Ferrites are only very slightly magnetostrictive (ppm level?). Enough that they whine when driven w ... |
22-7-2009 at 20:23
by: 12AX7 |
PC PSU to laboratory PSU
Sounds like overload to me. |
22-7-2009 at 20:15
by: 12AX7 |
Thoughts On Anodes
Last time I was heating titanium, it was yellow hot, in air, stable.
Personally I'd rather blast ... |
21-7-2009 at 23:36
by: 12AX7 |
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