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Science > Chapter 13 > Flashcards

Chapter 13 Flashcards

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Biology 101 flashcards
1
Q

Mixtures containing particles that settles out if left undisturbed can be separated by filtration

A

Suspension

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2
Q

Mixtures of intermediate sized particles that do not settle…Not able to be filtered

A

Colloids

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3
Q

Random movements of particles in a liquid colloid resulting from particle collisions

A

Brownian Motion

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4
Q

Scattering of Light by dispersed colloid Particles

A

Tyndall effect

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5
Q

a substance that dissolves in a solvent

A

Soluble

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6
Q

Two liquids that are soluble in each other in any proportion

A

Miscible

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7
Q

a substance that does not dissolve in a solvent

A

Insoluble

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8
Q

Two liquids that can be mixed but separate shortly after

A

Immiscible

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9
Q

A measure of how much solute is dissolve in a specific amount of solvent or solution

A

Concentration

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10
Q

the number of moles of solute dissolved per liter of solution

A

molarity

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11
Q

ratios of moles of solute dissolved in 1 kg of solvent

A

molality

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12
Q

Ratio of the Number of moles of solute to the total # of moles of solute + solvent

A

mole fraction

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13
Q

Process of surrounding solute particles with solvent particles to form a solution

A

Solvation

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14
Q

The energy change that occurs during solution formation

A

Heat of Solution

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15
Q

Contains less dissolved solute for the given temp & Pressure than saturated solutions

A

Unsaturated Solution

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16
Q

Contains the maximum amount of solute for a specific temp & pressure

A

Saturated Solution

17
Q

Contains more dissolved solutions at a given/temp and pressure

A

Supersaturated Solution

18
Q

States at any given temp, the solubility of a gas in a liquid is directly proportional to the pressure

A

Henry’s Law

19
Q

Physical. properties of solution that are affected by the number of particles but not by the identify of dissolved solute particles

A

Colligative Properties

20
Q

Colligative Property of solutions that depends on the Number of solute particles in solutions

A

Vapor Pressure Lowering

21
Q

More heat is needed to supply additional kinetic energy to raise the vapor pressure to equal atmosphere pressure

A

Boiling Point Elevation

22
Q

Difference in temp between its freezing point & the freezing point of pure solvent

A

Freezing Point Depression

23
Q

Diffusion of a solvent than a semipermedle membrane

A

Osmosis

24
Q

the amount of additional pressure caused by H2O molecules that more into the concentred solution

A

Osmotic Pressure

Science (2 decks)

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