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TEAS > Science - Chemistry/ Characteristic properties of substances > Flashcards

Science - Chemistry/ Characteristic properties of substances Flashcards

1
Q

True/False: Intensive Properties depend on the amount of matter or quantity

A

False: they do not depend on the amount of matter, it will not change if more or less is there

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2
Q

Extensive Properties

A

Depend on the matter or quantity of sample

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3
Q

Mass

A

measure of amount of substance in an object

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4
Q

weight

A

measure of gravitational pull of earth on an object

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5
Q

volume

A

measure of amount of space occupied

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6
Q

density

A

measure of amount of mass per unit volume

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7
Q

what is the formula for density

A

D = M/V

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8
Q

Conduction

A

form of heat transfer that requires energy

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9
Q

True/False: Conduction requires energy for it to occur

A

TRUE

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10
Q

where does heat go

A

from an area of high concentration to low concentration

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11
Q

Thermal Equilibrium

A

2 regions are equal temperature// No heat transfer

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12
Q

What are the properties of Water

A

High Polarity, Hydrogen Bonding, cohesiveness, Adhessiveness, Solvent

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13
Q

Solvent

A

other substances dissolve in it

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14
Q

cohesiveness

A

attracted to itself

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15
Q

adhesiveness

A

attracts other molecules

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16
Q

Osmosis

A

diffusion of water through a semi-permeable membrane from an area of high concentration to an area of low concentration

17
Q

State of Matter: Solid (Volume.Shape) (Density) (Compressibility) (molecular motion)

A

(Volume/shape: Definite) (Density: High) (Compressibility: none) (Molecular motion: vibrate @ fixed position)

18
Q

State of Matter: Liquid (Volume/shape) (Density) (Compressibility) (Molecular motion)

A

(Volume/ shape: Volume = constant// Shape = assume shape of container) (Density: High) (Compressibility: none) (Molecular Motion: move past each other freely)

19
Q

State of Matter: Gas (Volume/shape) (Density) (Compressibility) (Molecular Motion)

A

(Volume/shape: Volume = assume volume/shape of container) (Density: Low) (Compressibility: High) (Molecular Motion: Very free)

20
Q

Melting

A

Solid –> Liquid

21
Q

Freezing

A

Liquid –> Solid

22
Q

Vaporization

A

Liquid –> Gas

23
Q

Sublimation

A

Solid –> Gas

24
Q

Deposition

A

Gas –> Solid

25
Q

Condensation

A

Gas –> Liquid

26
Q

how is reaction rate determined

A

it is determined by how frequently atoms interact with each other

TEAS (21 decks)

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