if u have time Flashcards

1
Q

lyophilic colloids

A

contain chemical groups that interact strongly with the
solvent, creating a sheath of solvent molecules that prevent solute/solute
interactions. Very common in biological systems and in foods

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2
Q

lyophobic colloids

A

contain chemical groups that interact weakly with the
solvent. These colloids are all inherently unstable; they will eventually
coagulate.
Ex) Oil emulsions or glacially-produced rock dust in river water

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3
Q

stabilization by cloaking

A

A lyophobic colloid can be made to masquerade as
lyophilic by coating it with something that itself possesses suitable lyophilic
properties.

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4
Q
A
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