part 3
Help!
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| what does "more volatile" mean? | requires less kinetic energy for molecules on the surface of the liquid to escape into the vapor phase
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| Will the vapor of a mixture have a higher percentage of the more volatile component? | yes
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| distillation | heating a liquid to produce a vapor that is enriched in the more volatile, and then condensing this vapor to produce a liquid that will be enriched in the volatile component
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| when do we have a heterogeneous mixture? | when the solutes sink to the bottom of the solvent.
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| particles with physical dimensions of at least what in order to scatter visible light and therefore appear cloudy? | dimensions of at least 400 nm and 750 nm
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| colloids | somewhere between a homogenous solution and a heterogenous mixture
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| hydrophilic means what? | water loving
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| Hydrophilic colloids have solutes with what? | structures on their surface that are able to hydrogen bond with water
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| hydrophobic means what? | water fearing
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| hydrophobic colloids have solutes with what? | surface groups that cannot hydrogen bond.
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| can hydrophobic colloids be prepare in water? | no
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| coagulate | clump together
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