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Chemistry > Solubility > Flashcards

Solubility Flashcards

1
Q

Suspension

A

Less soluble, must keep mixing them, largest particles.

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2
Q

Solution

A

Most soluble, stay mixed, smallest particles

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3
Q

Colloid

A

Particles not small or large, don’t separate until long time. Milk

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4
Q

Tyndall effect

A

Shine light through mixture and light scatters

Colloid positive

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5
Q

Heterogenous

A

Can see parts of the mixture

Different composition

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6
Q

Homogenous

A

Same appearance and composition

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7
Q

NonElectrolytes

A

A substance when dissolved that doesnt conduct electricity

Sugar water

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8
Q

Electrolyte

A

A substance when dissolved, conducts electricity

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9
Q

How does dissolving occur

A

The solvent attracts individual particles of solute, pulls them apart and surrounds them.

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10
Q

Like dissolves like

A

Polar dissolved polar

Nonpolar dissolves nonpolar

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11
Q

Solute

A

Is dissolved, lesser amount

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12
Q

Solvent

A

Dissolving medium in a solution, does the dissolving, greater amount

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13
Q

Unsaturated solution

A

Could still dissolve more solute

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14
Q

Saturated solution

A

Contains as much solute as possible

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15
Q

Supersaturated solution

A

As temp increases a given solvent will hold a larger amount of solute

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16
Q

Solubility

A

The ability of a solute to dissolve in a solvent.
As temp increases solubility increases
Quantitative

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17
Q

Ex of solute

A

Salt
Acetic acid
Oxygen

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18
Q

Ex of solvent

A

Seawater
Vinegar
Copper
Mothballs

19
Q

What ways increase rate of the reaction

A

Temp change by increasing, agitation, high surface area

20
Q

Dissolution

A

Solute in a solvent forms a solution.

21
Q

What breaks into ions

A

Electrolytes

22
Q

Dilute

A

Make a liquid thinner by adding another solvent to it

23
Q

Concentration

A

Compares the amount of solute in a solution.

24
Q

Concentration and dilute are compared how

A

Qualitatively

25
Q

Molarity

A

Number of moles in solute in one liter of solution

26
Q

Molarity formula

A

Amount of solute(mol)/volume of solution

27
Q

Molality

A

Measure moles solute and kg solvent separately, then mix

28
Q

G~> kg

A

3 decimal places to the right

29
Q

Molality formula

A

Moles solute/kg solvent

30
Q

Hydrate example

A

CuSO4 * 5H2O

Copper 2 sulfate pentahydroxide

31
Q

Hydrate

A

Attracted forces that connect

When crystallized,some ionic substances form crystals that incorporate water molecules

32
Q

What happens when a crystalline hydrate dissolves in water

A

The water of hydration returns to the solvent

33
Q

Hydration

A

solution process with water as the solvent.

34
Q

as hydrated ions diffuse into the solution, other ions are exposed and…

A

Drawn away from the crystal surface by the solvent

35
Q

Immiscible

A

Liquids that are t soluble on each other

Oil & water

36
Q

Miscible

A

Liquids that dissolve freely in one another

37
Q

Pressure and solubility

A

Increase in pressure, increase gas solubilities in liquids.

38
Q

Effervescence

A

Escape of a gas from a liquid in which it’s dissolved

39
Q

Henry’s Law

A

Solubility of a gas in a liquid is directly proportional to the partial pressure of that gas on the surface of the liquid

40
Q

Henry’s law applies to what

A

Gas liquid solutions at constant temp

41
Q

Enthalpy of solution

A

Absorption and release of energy when solution is made

Solute solute: molecules in solute held together by intermolecular forces

42
Q

Solvated

A

A solute particle surrounded by solvent molecules

43
Q

Enthalpy of a solution part 2

A

Heating decreases the solubility of a gas, so dissolution of gasses is exothermic.
Solute solute interaction has little effect on gas enthalpy

Chemistry (10 decks)

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