Chapter 11 Solutions and Their Colligative Propertiespeople.emich.edu/mmilletti/CHEM...

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Chapter 11

Solutions and Their Colligative Properties

Copyright McGraw-Hill 2009 2

321soln HHHH Δ+Δ+Δ=Δ

Copyright McGraw-Hill 2009 3

321soln HHHH Δ+Δ+Δ=Δ

0soln321 <ΔΔ<Δ+Δ HHHH

0soln321 >ΔΔ>Δ+Δ HHHH

endothermic

exothermic

Like Dissolves Like

Copyright McGraw-Hill 2009 5

I.  Hexane and carbon tetrachloride are good solvents for a)  Salts, such as sodium chloride b)  Helium gas c)  Strong bases, such as sodium hydroxide d)  Both a) and c)

II.  Water and liquid ammonia are good solvents for a)  Salts, such as sodium chloride b)  Helium gas c)  Strong bases, such as sodium hydroxide d)  Both a) and c)

Copyright McGraw-Hill 2009 6

Solvation in Aqueous Solutions

Gas-Liquid Dynamic Equilibrium

Vapor Pressure Lowering

Osmotic Pressure