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Science 11 > As Is > Flashcards

As Is Flashcards

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Biology 101 flashcards
1
Q

Density

A

A characteristic physical property that can be used to identify the type of matter in the sample

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2
Q

Density formula

A

Mass/volume

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3
Q

Density is the measure of…

A

How closely picked the matter in the substance is

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4
Q

The denser the substance…

A

The more closely picked the matter

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5
Q

The density of a substance stays…

A

Constant, regardless of the amount for homogenous objects

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6
Q

Density units for solids:

A
  • g/cm3

- kg/m3

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7
Q

Density units for liquids and gasses:

A
  • g/mL

- g/L

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8
Q

1g of water =

A

1 mL of water

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9
Q

If an object has a density less than 1g/mL it will…

A

Sink

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10
Q

Less dense substances…

A

Float on denser substances

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11
Q

Physical properties

A

Characteristics of a substance that can be determined without altering the nature of the substance

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12
Q

Types of motion

A
  • Translational
  • Rotational
  • Vibrational
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13
Q

Rotational

A

Spinning motion around axis

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14
Q

Translational

A

Linear movement

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15
Q

Vibrational

A

A back and forth oscillation

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16
Q

Kinetic energy

A

Based on motion of the particles involved

17
Q

Potential energy

A

Based on the position or state of the matter

18
Q

IMF

A

inter molecular forces

19
Q

When matter gains energy, the surrounding has to

A

Endothermic reactions cause the surroundings to cool

20
Q

If energy is added to matter it’s called

A

And endothermic change

- energy enters the matter

21
Q

When matter loses energy..

A

The surroundings have to gain energy

- exothermic reactions cause the surroundings to warm

22
Q

If energy is removed from matter it’s called

A

An exothermic change

23
Q

Negative potential energy…

A

Increases as you go from gas to liquid to solid

24
Q

KE is relatable to..

A

Temperature

25
Q

PE is relatable to

A

Phase/state

Science 11 (12 decks)

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