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Breaking Bad > Chapter 2 Test > Flashcards

Chapter 2 Test Flashcards

1
Q

What is a solid

A

A state of matter with a definite shape and volume

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2
Q

How are particles arranged in a solid

A

tightly packed together in one position

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3
Q

What causes a solid to have a definite shape and volume

A

The closely packed arrangement of particles

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4
Q

Do particles in a solid move

A

Yes, they vibrate

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5
Q

What pattern creates crystalline solids

A

a regular repeating pattern

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6
Q

What is a crystalline solid

A

A solid made of crystals which melts at a distinct temp.

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7
Q

What pattern creates an amorphous solid

A

an irregular pattern

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8
Q

What happens when an amorphous solid is heated

A

it becomes softer and softer or change into another substance

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9
Q

What is a liquid

A

a state of matter with a definite/constant volume but no shape of its own

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10
Q

What type of pattern are liquids in

A

a tightly packed pattern where particles move freely

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11
Q

Why does a liquid not have a definite shape

A

because it’s particles move freely

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12
Q

What is a fluid

A

a substance that flow

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13
Q

What is surface tension

A

an inward force/pull among the molecules in a liquid that brings the molecules on the surface closer together

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14
Q

Due to surface tension the surface of water can act like a sort of ____

A

skin

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15
Q

What is viscosity

A

a liquid’s flowing resistance

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16
Q

What is viscosity dependent on

A

size and shape of the liquids particles and the attraction between particles

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17
Q

What are 2 states of matter that are fluids

A

gas and liquid

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18
Q

What is gas

A

a state of matter with an indefinite shape and volume

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19
Q

What is volume

A

the amount of space matter fills

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20
Q

How is the volume of gas determined

A

on the volume of the container its in

21
Q

What is pressure

A

the outward force of gas

22
Q

What is the formula to find pressure

A

P= Force/Area

23
Q

Whatis concentration

A

the number of gas particles in a given unit of volume

24
Q

What is temperature

A

the measure of the average energy of random motion of particles of matter

25
Q

Do particles move faster or slower with higher temperatures and more energy

A

faster

26
Q

What has more thermal energy then solids

A

solid–>liquid–>gas

27
Q

What is melting

A

the change of a sloid to a liquid

28
Q

What is the temperature at which crystalline solids melt

A

melting point

29
Q

What happens to a solids particles when it melts

A

they vibrate fast enough with thermal energy to break free of their fixed positions

30
Q

What is changing of liquid to solid

A

freezing

31
Q

What is changing of liquid to gas

A

vaporization

32
Q

What happenes to the particles of liquids in vaporization

A

they gain enough thermal energy to move independently

33
Q

What are the two types of vaporization

A

boiling and evaporation

34
Q

What is evaporation

A

vaporization which takes place on the surface of liquid

35
Q

What is boiling

A

vaporization which takes place both bellow and at the surface of a liquid

36
Q

What is the temperature which a liquid boils

A

boiling point

37
Q

What is the change from gas to lquid

A

condensation

38
Q

What is sublimation

A

the change from solid to gas

39
Q

What causes sublimation

A

When solids gain enough thermal energy to become gas

40
Q

Is steam gas

A

no it is water

41
Q

When volume of a gas is constant what happens if temperature rises

A

pressure rises (const vol, /\ temp, higher press /)

42
Q

What is (Jacques) Charles’ Law

A

const press, temp /\, vol /)

43
Q

How do you convert Celcius to Kelvin

A

add 273

44
Q

What is something directly proportional

A

graphed straight line that passes through the orgin

45
Q

is Charles’ Law directly proportional

A

yes

46
Q

What is (Robert) Boyle’s Law

A

const temp, /\ press, \/ vol

47
Q

What is Boyle’s Law on a graph

A

inversely proportional

48
Q

What is inversely proportional

A

When the product of 2 varibales is constant (multiply to one [same] number) and makes a curved line

49
Q

If viscosity is high the substance flows ____

A

slowly

Breaking Bad (8 decks)

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