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Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
Is that Fly Spray or Slug-knackerer ? |
14-11-2015 at 09:12
by: aga |
Competition — Lab from five OTC items
Depending on other pointless distractions (work, life etc) i may well have a bash at this.
Sounds ... |
14-11-2015 at 08:42
by: aga |
Competition — Lab from five OTC items
Excellent Challenge jsum_1.
I'll not be able to devote any time to it, so i'll throw 50 euros int ... |
13-11-2015 at 14:40
by: aga |
Copper(II) sulfate crystallisation in presence of ethanol
Any photos ? |
13-11-2015 at 14:29
by: aga |
Copper(II) sulfate crystallisation in presence of ethanol
What is the 'usual' crystal shape of copper sulphate ?
Rhombic ?
Perhaps the battle (for the w ... |
13-11-2015 at 14:04
by: aga |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
Oh dear.
Looks like i scared the Professors away.
OK. I'll fix the dorm and sort out the poly ... |
13-11-2015 at 13:49
by: aga |
Salting out ethanol and distillation
Before i get going with any more experiments, are there any OTHER substances to test in this applica ... |
13-11-2015 at 13:23
by: aga |
Salting out ethanol and distillation
One would do a calculation or two in any event.
Thanks for looking up the solubility. |
13-11-2015 at 12:55
by: aga |
Phthalic anhydride, anyone?
Price it up for 200g and 500g.
Might be a break point where it works out OK.
Edit:
Ukranian ... |
13-11-2015 at 11:37
by: aga |
Salting out ethanol and distillation
Ah crap.
OK. So do the same with potassium carbonate.
Think i'll just buy that reagent this ti ... |
13-11-2015 at 11:30
by: aga |
Phthalic anhydride, anyone?
I'd take some, but i'm in Spain.
Any sellers ? |
13-11-2015 at 09:21
by: aga |
Salting out ethanol and distillation
Unfortunately i dumped the dried ethanol from the previous experiment into my ethanol reserve, so to ... |
13-11-2015 at 09:14
by: aga |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
Ah feck.
i just saw that i got the H in the OH- attacking the 3-Carbon.
Should be the O rippin ... |
12-11-2015 at 15:42
by: aga |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
Almost forgot the squigly diagram for QM question 8
[file]45388[/file]
Edit :
Seeing as ... |
12-11-2015 at 15:22
by: aga |
Salting out ethanol and distillation
Strange.
If I proposed such an idea and were asked to reproduce the results, i'd positively Jump ... |
12-11-2015 at 14:33
by: aga |
The Short Questions Thread (4)
Have you ever used a Gooch crucible ?
If so, please explain how one is used (i already read the G ... |
12-11-2015 at 14:26
by: aga |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
[rquote=427425&tid=62973&author=Darkstar]
Well, I didn't want to bring this up, but I'm afr ... |
12-11-2015 at 13:15
by: aga |
Salting out ethanol and distillation
I think the bit you're missing Starcruiser is that deltaH's process rips all of the water out of Vod ... |
12-11-2015 at 13:01
by: aga |
Salting out ethanol and distillation
[rquote=427446&tid=61746&author=Starcruiser]If I`m missing something important, I sincerely ... |
12-11-2015 at 12:24
by: aga |
Salting out ethanol and distillation
[rquote=427445&tid=61746&author=Tsjerk]The CuSO4 has to be hydrated (blue). Absolute ethanol ... |
12-11-2015 at 12:21
by: aga |
Salting out ethanol and distillation
How would that work Tsjerk ?
Does the copper sulphate need to be 100% dry as well ?
ISTR that ... |
12-11-2015 at 12:02
by: aga |
Salting out ethanol and distillation
Then Distilled ?
Have you not read the post containing the experiment ?
Please detail exactly ... |
12-11-2015 at 11:32
by: aga |
Salting out ethanol and distillation
[rquote=427428&tid=61746&author=Starcruiser]Anhydrous CuSO4 works like a charm for drying az ... |
12-11-2015 at 11:23
by: aga |
Quantum Mechanics/Wave Mechanics in Chemistry Beginners Thread
[rquote=426904&tid=62973&author=Darkstar]For extra credit, explain why the two molecules in ... |
12-11-2015 at 09:23
by: aga |
Salting out ethanol and distillation
Phosphoric acid is available (here) from farming suppliers. |
12-11-2015 at 04:52
by: aga |
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