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Physical Pharmacy > SOLUBILITY AND DISTRIBUTION PHENOMENA > Flashcards

SOLUBILITY AND DISTRIBUTION PHENOMENA Flashcards

1
Q

Concentration of a solute when the solvent has
dissolved all the solute that it can at a given
temperature

A

SOLUBILITY

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2
Q

Concentration of solute in a saturated solution at a
certain temperature

A

QUANTITATIVELY

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3
Q

Spontaneous interaction of two or more substances to
form a homogenous molecular dispersion

A

QUALITATIVELY

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4
Q

are homogeneous mixtures of two or
more pure substances.

A

Solutions

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5
Q

the solute is dispersed uniformly
throughout the solvent.

A

Solution

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6
Q

State of solution- Gas
State of solvent- Gas
State of solute-Gas

A

Air

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7
Q

State of solution-Liquid
State of solvent- Liquid
State of solute- Gas

A

Oxygen in water

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8
Q

state of solution-liquid
state of solvent-liquid
state of solute- liquid

A

Alcohol in water

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9
Q

State of solution- liquid
state of solvent- liquid
state of solute- solid

A

Salt in water

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10
Q

State of solution- solid
state of solvent- solid
state of solute- gas

A

Hydrogen in palladium

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11
Q

State of solution- solid
state of solvent- solid
state of solute- liquid

A

Mercury in silver

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12
Q

state of solution- solid
state of solvent- solid
state of solute- solid

A

silver in gold

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13
Q

The intermolecular forces
between solute and
solvent particles must be
strong enough to
compete with those
between solute particles
and those between
solvent particles.

A

SOLUTIONS

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14
Q

HOW DOES SOLUTION FORM?

A

As a solution forms, the solvent pulls solute particles apart and surrounds, or solvates,them.

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15
Q

If an ionic salt is soluble
in water, it is because the
ion-dipole interactions
are strong enough to
overcome the lattice
energy of the salt crystal.

A

SOLUTIONS

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16
Q

three
processes affect the
energetics of solution:

A

Energy Changes
* separation of solute
particles,
* separation of solvent
particles,
* new interactions
between solute and

17
Q

The enthalpy change of the
overall process depends
on

A

H for each of these
steps.

18
Q
A
19
Q
A

Physical Pharmacy (4 decks)

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