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Volcanic CO2 riddle
Well, oxygen is an extremely abundant element on and inside the Earth. The second most abundant is s ... |
21-12-2017 at 17:17
by: vmelkon |
"Draining" a fluorescent bulb (tube)
[rquote=501139&tid=78989&author=nitro-genes]Something of help maybe, glass can be cut (even ... |
21-12-2017 at 17:00
by: vmelkon |
"Draining" a fluorescent bulb (tube)
[rquote=500535&tid=78989&author=wg48]Under one of the caps at the end pf the florescent tube ... |
19-12-2017 at 09:25
by: vmelkon |
why is it impossible to make synthetic wood and metals
The word synthetic is one of those "words".
If you think about it, what do you do in chemistry? F ... |
19-12-2017 at 09:17
by: vmelkon |
Diclhloromethane synthesis
[rquote=496586&tid=78041&author=dan.vlad]DCM can also be prepared by reducing chloroform wit ... |
8-11-2017 at 17:25
by: vmelkon |
Unidentified gunk on sodium in white spirit
Possibly caused by aldol condensation.
This can happen if you have a ketone, such as acetone, and a ... |
8-11-2017 at 17:02
by: vmelkon |
Purifying NaOH
I imagine that sea water has a lot of Mg(2+). I have that data in my files at home. You can add some ... |
7-11-2017 at 06:56
by: vmelkon |
Why is infrared light a heating light?
I agree with the above answers. It is very difficult to produce large quantities of blue, indigo, vi ... |
21-10-2017 at 16:57
by: vmelkon |
K type thermocouple
[rquote=495097&tid=77580&author=Melgar]
I suspect that the concept of an impure crystal (in ... |
21-10-2017 at 16:46
by: vmelkon |
Potassium metal instead of Sodium from dioxane extraction of KMgO?
[rquote=494926&tid=77607&author=RogueRose][rquote=494924&tid=77607&author=vmelkon][r ... |
18-10-2017 at 05:31
by: vmelkon |
Potassium metal instead of Sodium from dioxane extraction of KMgO?
[rquote=494901&tid=77607&author=RogueRose]
I'm also wondering if something similar could be ... |
17-10-2017 at 18:26
by: vmelkon |
K type thermocouple
[rquote=494826&tid=77580&author=Melgar]Yeah, it kind of bugs me when people explain somethin ... |
17-10-2017 at 10:51
by: vmelkon |
Obtain different sulfates from gypsum?
I don't suppose you have an easy way of reaching high temperatures?
CaSO4 + SiO2 → CaSiO3 + SO3
... |
16-10-2017 at 18:38
by: vmelkon |
K type thermocouple
[rquote=494803&tid=77580&author=JJay]This type has a thermocouple inside a steel tube: http: ... |
16-10-2017 at 16:46
by: vmelkon |
K type thermocouple
I'm a newbie when it comes to these things for now.
If I want to measure températures up to 1200 ... |
16-10-2017 at 12:53
by: vmelkon |
Dying mercury
[rquote=488651&tid=75677&author=ave369]Red mercury is a pretty well known hoax that comes fr ... |
13-10-2017 at 06:05
by: vmelkon |
Is recycling worth it?
[rquote=493796&tid=77328&author=RogueRose]
I have a feeling that many of the crude oil depo ... |
6-10-2017 at 11:02
by: vmelkon |
Vacuum cleaner(s) as a vacuum pump?
Yes, a vacuum cleaner generates a weak vacuum.
1. There are other methods like have a steel can. ... |
6-10-2017 at 07:08
by: vmelkon |
plating tungsten carbide
I'm just throwing this out there.
This is an interesting technique for plating with nickel
https:/ ... |
26-9-2017 at 15:39
by: vmelkon |
Chemical solvents that were/most likely were discovered before the 16th century
[rquote=492958&tid=77060&author=Corrosive Joeseph][rquote=492933&tid=77060&author=vm ... |
26-9-2017 at 15:30
by: vmelkon |
Manganese dioxide flammable?
Flammable means something combines with oxygen and produces a plasma (fire) and the end product are ... |
25-9-2017 at 16:55
by: vmelkon |
Chemical solvents that were/most likely were discovered before the 16th century
There is also benzene, which comes from an arabic word. I don't know if the arabs produced benzene o ... |
25-9-2017 at 16:47
by: vmelkon |
My video: Making 1,2-Dichloropropane
I had recorded with my older camera, so the video parts aren't high quality. I have bought another c ... |
25-9-2017 at 16:27
by: vmelkon |
My video: Making 1,2-Dichloropropane
Thanks for the feedback.
XeonTheMGPony:
I have downloaded a text to speech program but I did not ... |
24-9-2017 at 09:35
by: vmelkon |
Easily available solvents (polar & non polar). BP less than 70 C
If you want to make chloroform, a cheap source of chlorine is Ca(ClO)2 (Calcium hypochlorite). It co ... |
23-9-2017 at 17:40
by: vmelkon |
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