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Results tagged with physical-chemistry
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user 83910
The study of chemical systems using the laws and concepts of physics. This usually requires the techniques of thermodynamics, statistical mechanics and quantum mechanics.
3
votes
Accepted
Why is vapour pressure not dependent on shape and size of the container?
Vapor pressure does not depend on surface area because it is derived from the thermodynamic equilibrium between the liquid and gas phases of a substance. The closer the vapor pressure is to atmospheri …
- 700
1
vote
Using molecular orbital for determining leaving group trend and nucleophilicity
MO theory can certainly be used to explain substitution reactions from a mechanistic perspective, and to help rationalize trends of relative reactivity. However, I think that the best way to build a m …
- 700
3
votes
Ratio of uncharged to charged side chains
I think you are simply misunderstanding the "uncharged to charged" part of the question. Imidazole is a base, so it gains a proton to become charged when the pH < pKa. That's why you got the right ans …
- 700
8
votes
d-Menthol vs dl-menthol: Does an enantiomer and its racemic mixture have different melting p...
If solid menthol were just amorphous, then you would expect the racemate and each enantiomer to exhibit identical melting points. However, if you read further on the Wikipedia page you reference, you' …
- 700