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Chemistry > Chapters 15 and 16 > Flashcards

Chapters 15 and 16 Flashcards

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1
Q

Electrolyte

A

Compound that conducts an electric current in aqueous solution

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2
Q

Nonelectrolyte

A

Compound that does not conduct electric current in aqueous solutions

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3
Q

Hydrate

A

Compound that contains water of hydration

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4
Q

Hygroscopic

A

Compound able to remove moisture from air

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5
Q

Desiccant

A

Drying agent

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6
Q

Suspension

A

Mixtures from particles settle on standing

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7
Q

Colloid

A

Heterogeneous mixture containing particles of medium sized (between suspensions and solutions)

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8
Q

Surface tension

A

Inward force that tends to minimize the surface area of a liquid

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9
Q

Surfactant

A

Intermolecular attraction between a hydrogen atom and a highly electronegative atom such as oxygen in an adjacent molecule

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10
Q

Ice

A

Solid form of water

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11
Q

Aqueous solution

A

Dissolved in water

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12
Q

Solvent

A

Dissolving particles in solution

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13
Q

Solute

A

Dissolved particles in a solution

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14
Q

Solvation

A

Process that occurs when absolute dissolves

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15
Q

Tyndall effect

A

Scattering of visible light by colloidal particles

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16
Q

Brownian motion

A

Chaotic movement of colloidal particles

17
Q

Solution

A

Solute dissolved in solvent

18
Q

Miscible

A

Two liquids that dissolve in each other

19
Q

Immiscible

A

Two liquids that don’t dissolve in each other

20
Q

Molarity

A

Number of moles of solute dissolved in a solution

21
Q

Boiling point equation

A

100+(0.52)(moles solute)

22
Q

Ionic solids will dissolve in what

A

Water because it is a polar solvent

23
Q

Concentration equation

A

(Grams solute)(grams solvent) = ppm

24
Q

What happens when NaCl is added to H2O

A

Boiling increases, freezing decreases

25
Q

Ionic compounds conduct electric currents when

A

Dissolved in water

26
Q

Like dissolves…

A

Like

27
Q

Rate of dissolving equals what in saturated solutions

A

Rate of crystallizing

Chemistry (13 decks)

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