Spartan calculated molecule structures and Blender 3D rendered animation.
Thin layer chromatography animation
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samuel villanueva velasquez
December 4, 2013 at 10:11 am
?
nigel rafael
December 4, 2013 at 10:45 am
good job man!!
JGalz
December 4, 2013 at 11:30 am
Sometimes a visual just helps you so much to prepare for lab. Thanks for
the upload.
mio68df
December 4, 2013 at 11:53 am
wow, shows what a simple animation can do….great video 😀
Palmares1999
December 4, 2013 at 12:16 pm
@JGalz my nigga. word
Quratulaain Annie
December 4, 2013 at 1:13 pm
Okay I’m 4 months late, but here’s the answer: For a solute to dissolve in
a solvent, the interactions between solute molecules and those of solvent
are similar to those between the solvent molecules themselves. For example,
Iodine has VDW(Van der Waal’s) between it’s molecules so it dissolves in
hexane that also has VDW. But Iodine does not dissolve in water, as water
has hydrogen bonding. Similarly, Ammonia dissolves well due to extensive
hydrogen bonding between NH3 and H2O molecules.
Prakriti Kalra
December 4, 2013 at 2:00 pm
if u consider TLC which has stationary phase like silica gel or alumina
then both are polar, so they cn form bonds like H-bonds with polar
molecules then they will be adsorbed more strongly and so will not move
with the solvent.Eg-consider o-nitrophenol and p-nitrophenol, then
o-nitrophenol is above than para bcz para cn form H-bonds with silica but
ortho already has intermolecular H-bond,, thats why adsorbed less strongly
nd so rises up with the mobile phase
nezokah
December 4, 2013 at 2:03 pm
great animation, but there are still some issues that aren’t clear to me –
how can polar molecules have more afinity with the stationary phase, which
is also polar? how does this atraction between molecules with equal
polarity work? weren’t polar substances suposed to atrack non-polar
substances? i’m getting trouble understanding this, any kind of help would
be really appreciated!
Ericman2043
December 4, 2013 at 2:37 pm
the solvent moves up the paper because of capillar action?