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Acetic anhydride preparation
Of interest are for instance the incursion:
4CH3COOH + 4NaBr  -->
4CH3COOBr + 4Na + 2H + 2e ... |
7-5-2005 at 06:45
by: Mahlzahn |
rotten meat
What will you do with the rotten meat ?
It`s a pointless thread !
Put the meat in a plastic b ... |
7-5-2005 at 06:29
by: Mahlzahn |
Acetic anhydride preparation
Is it easy prepare acetic anhydride from
CH3COOH and the method correct ?
First buy some dilute vi ... |
5-5-2005 at 06:34
by: Mahlzahn |
Raschig Rings
Don`t exist modern resist rings for a
reflux column ?
polyuretane rings ?
[Edited on 4-5-200 ... |
4-5-2005 at 06:34
by: Mahlzahn |
Electrolysis of Aqueous Sodium Chloride
The voltage control the current flow and the current flow are dependently of the
eletricaly resisto ... |
4-5-2005 at 06:23
by: Mahlzahn |
Electrolysis of Aqueous Sodium Chloride
You think your calculation accurate ?
qoute:
O2 + 4H+ + 4e- ---> 2H2O Ered = +1.23
It it o ... |
1-5-2005 at 06:36
by: Mahlzahn |
Electrolysis of Aqueous Sodium Chloride
Bubbling Cl2 through H2O producing
chlorin water and dilute HCl in the follow beakers. Chlorine som ... |
30-4-2005 at 06:17
by: Mahlzahn |
From where are you?
Europe,
large city, 7 km far of the city centre.
What`s the Small country/archipelago... (Hope ... |
29-4-2005 at 06:15
by: Mahlzahn |
Electrolysis of Aqueous Sodium Chloride
Are the electrolysis of soduim chloride good to prepare dilute HCl ?
2NaCl + 2H2O electrolysis ... |
28-4-2005 at 06:44
by: Mahlzahn |
Download a sciencemadness backup!
I can`t connect to the ftp.
I have a timeout after 28 seconds.
 |
25-4-2005 at 06:33
by: Mahlzahn |
Question about Nitric Acid and Sulfuric Acid
Destilling dilute (fuming white) HNO3 from AN + H2SO4 are not so agressive than with KN/NaN.
It`s e ... |
22-4-2005 at 06:36
by: Mahlzahn |
Real RDX
A useful method are too:
(hexamethylentetramin + H2O) + HNO3 (~70%)
->
hexamethylentetramin* ... |
21-4-2005 at 07:10
by: Mahlzahn |
Differing Effects of Red vs. White HNO3 in a Nitration
Destillations temperatures of
dilute HNO3 < 121 degree celsius
normal fuming HNO3 < 82 gegre ... |
20-4-2005 at 06:23
by: Mahlzahn |
