Skip to main content

All Questions

Tagged with
3 questions with no upvoted or accepted answers
3 votes
0 answers
183 views

How do lyophilic colloids reduce surface tension?

It's given in my textbook that the surface tension of lyophilic/hydrophilic solutions is lower than water. But my intuition says, since in lyophilic solutions the interaction between a lyophilic ...
R. Anusha's user avatar
  • 181
3 votes
0 answers
152 views

Why are critical micelle concentrations so large?

Dissolving a non-polar molecule in water incurs a free energy cost of about $10 kJ/(mol \cdot nm^2)$ (source: http://bionumbers.hms.harvard.edu/bionumber.aspx?&id=101826) The entropy gained from ...
Mark Eichenlaub's user avatar
0 votes
0 answers
184 views

What is the logic behind the terminology lyophilic and lyophobic colloids?

Its given in my text book that- Colloidal dispersions of starch,rubber,proteins etc are lyophilic colloids whereas colloidal dispersions of metals,sulphides etc are lyophobic in nature. But even ...
Grace's user avatar
  • 460