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2 votes
1 answer
151 views

Double surface in the pressure temperature concentration curve for a binary mixture

In the 3 dimensional diagram given, when a constant pressure plane intersects with the double surface, it produces a looped curve without a maxima or minima. What is the double surface and how is the ...
Sambuddha Mookherji's user avatar
9 votes
2 answers
612 views

Do light and heavy water form an azeotrope?

(Interested in the general principle too, not just for water and its variants, but with particular emphasis on it.) When you distill a weak ethanol-in-water solution, you get a condensate that's ...
Bernd Jendrissek's user avatar
3 votes
1 answer
493 views

Freeze distillation: Does efficiency depend on solubility?

I was surprised to learn that freeze distillation has the same inefficiencies as vapor distillation: Namely, that it is impossible to get two miscible fluids to fully separate in one "pass" of ...
feetwet's user avatar
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