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DAT- CHEM > Solubility > Flashcards

Solubility Flashcards

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1
Q

Solubility Trends- Solids in Liquids

A

Increase temp= INCREASED solubility

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2
Q

Solubility Trends- Gases in Liquids

A

Increase temp= DECREASED solubility

Increase pressure=INCREASED soluility

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3
Q

Group 1 Salts

A

Soluble

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4
Q

Ammonium Salts (NH4+)

A

Soluble

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5
Q

Nitrate (NO3-)

A

Soluble

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6
Q

Perchlorate (ClO4-)

A

Souble

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7
Q

Acetate (C2H3O2)

A

Soluble

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8
Q

Ag,Pb, Hg

A

Insoluble, except for nitrates, perchlorates, and acetates

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9
Q

Colligative Properties

A

Depends on number of dissolved particiles, not type of particle dissolved

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10
Q

Vapour Pressure

A

VP= pressure exerted by gas phases of liquid that has evaporated
High VP= more volatile

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11
Q

Colligative Properties- VP Depression

A

Solutes attracted to solvent

Increased solute= increased attraction= need more energy to break apart

Decreased VP (less volatile)

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12
Q

Colligative Properties- BP Elevation

A

More solute= more attraction to solvent

Need more energy to break apart

Increases BP

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13
Q

Molality

A

Concentration of particles in solution

Remains constant with temperature

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14
Q

Colligative Properties- Freezing Point Depression

A

When frozen, molecules are oragnized in a orderly, tightly packed arra

Adding solutes prevents packing

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15
Q

Colligative Properties- Osmotic Pressure

A

Pressure required to stop osmosis from happening

Water can cross semipermable membrane (osmosis), but particles can’t

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16
Q

Non-Colligative Properties

A

Depends on identity of dissolved solutes

i.e. colour, tension, viscosity…etc

17
Q

Dissolution

A

Solvent-solvent and solute-solute bonds need to be broken

18
Q

Solvation

A

Solvent-solute bonds need to be formed

19
Q

Intermolecular Forces and Solubility

A

Solute must be surrounded by solvent (intramolecular attractios)

Solute-solvent bond must be stronger than solute/solute or solvent/solvent

20
Q

BP Rules

A

Stronger IMF= HIGHER BP

More extended molecule between NP molecules= HIGHER BP

Larger molecue (between NP molecules= HIGHER BP

21
Q

Dielectric Constant

A

Way of measuring polarity of solvent

High= high polarity

22
Q

Conductie Solutions

A

Contains electrolytes

Strong electrolyte= dissociate completely

Weak electrolyte= partially dissociate

Some compounds don’t ionize at all_

DAT- CHEM (11 decks)

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