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Gas > Properties Of Matter > Flashcards

Properties Of Matter Flashcards

1
Q

What is not a characteristic of a solid

A

Fluidity

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2
Q

Water is most dense at what temperature

A

39 degrees F (4 C)

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3
Q

Which is not a density of water

A

8.33kg/gal

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4
Q

What is the negative charged particle called in an atom

A

Electron

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5
Q

When calculating mass what two values are multiplied together

A

Density and volume

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6
Q

Relative density is the comparison of ???

A

The weight of solids and liquids to water and gassses to air

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7
Q

What is the relative density of water and air

A

Water 1
Air 1

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8
Q

What would be the mass of 2000 l of liquid with a relative density of 0.89

A

1780

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9
Q

What is the relative density of mercury

A

13.6

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10
Q

What is an example of physical change

A

Water evaporating

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11
Q

What is the correct definition of surface tension

A

The molecular attraction of the molecules to each other at the surface of the liquid

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12
Q

A concave meniscus in water is an example of

A

Adhesion

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13
Q

Elements are divided into two groups what are they

A

Molecules and atoms

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14
Q

The two factors that affect the state in which matter exists are

A

Temp and pressure

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15
Q

What is the mass of 1 cubic meter of H2O liquid

A

1000kg

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16
Q

What is an example of a solution

A

Juice

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17
Q

Matter is defined as what

A

Anything that takes up space and has mass

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18
Q

How is weight different to mass

A

Weight fluctuates while mass stays the same

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19
Q

If an object has a mass of 1575 and a relative density of 4.3 what is the volume

A

5.87 ft3

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20
Q

What is the difference between a mixture and a compound

A

A compound is a chemical union of different molecules while a mixture contains different molecules not chemicals united

21
Q

What is the Density of air in imperial and metric

A

0.076 lb/ft3 imp
1.29 kg/m3

22
Q

What is the Density of water in imperial, metric and us

A

62.4 lb/ft3 imp 10lb/gal

1000 kg/m3 8.33 lb/gal us 1kg/L

23
Q

What is the relative density of air, water, propane liquid, and methane

A

1
1
0.5 propane
0.6 Methane

24
Q

What does not affect pressure

A

Shape of the container

25
Q

What two things affect pressure

A

Height and density

26
Q

To raise the boiling point of water to room temperature what would you need to do

A

Decrease pressure

27
Q

What do you use to measure atmospheric pressure

A

A barometer

28
Q

What does a barometer use for accurate readings

A

A vernier scale

29
Q

Atmospheric pressure is not affected by the humidity of the air

T or F

A

False

30
Q

What direction is fluid pressure exerted

A

In all directions

31
Q

Define force

A

A simple push, pull, or weight exerted over the entire area

32
Q

What triangle do you use to calculate force

A

F=AxP

33
Q

What triangle do you use to calculate Mass

A

M=DXV

34
Q

760mm HG is equal to how much KPA

A

101 KPA

35
Q

For every 1000 feet above sea level what happens to atmospheric pressure

A

Decreases 1 HG

36
Q

What is the maximum theoretical suction lift for a suction pump

A

33’ 11”

37
Q

The pressure of a column of water is directly proportional to what

A

Height

38
Q

Air contains what percentage of oxygen

A

21%

39
Q

Air contains what perecentage of nitrogen

A

78

40
Q

What would the boiling point be for water at the top of mt everest

A

Less than 212 F

41
Q

A column of water 1’ high exerts what pressure

A

0.433 lb/in2

42
Q

What does Boyles law state

A

Pressure increases volume decreases

43
Q

What is conduction

A

Heat occurs when a warmer object is touching a cooler object

44
Q

What is convection

A

Less dense warmer areas of water and gas rise to a cooler area

45
Q

What is radiation

A

Uses electromagnetic waves to transfer heat

46
Q

What is sensible heat

A

Energy is transferred as heat to an object, changing its temperature but not it’s state

47
Q

What is latent heat

A

Energy released or absorbed that changes the state of a body during a constant temperature process

48
Q

How do you calculate bouyent force

A

Volume x density

Gas (5 decks)

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