Mass, Volume & Density Flashcards

1
Q

What’s matter?

A

Matter is anything that occupies volume and has mass.

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2
Q

What’s mass?

A

Mass is characteristic of how much matter they contain.

The basic unit is the (kg)

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3
Q

What’s volume?

A

Volume is the space an object occupies.
Basic Unit: cubic meter (m3)
Everyday Life: litre (dm3)

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4
Q

How do we measure mass?

A

Using scales.

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5
Q

How do we measure volume with liquids?

A

With specific instruments like the Pipette, Burette, Graduated cylinder and Volumetric flask.

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6
Q

Which instruments are used for measuring volume and which are used to transfer liquids?

A

Pippete: Transfer Specific volume of Liquids
Burette: Transfer Variable volume of Liquids
Graduated cylinder: Measure volume
Volumetric flask: Measure fixed volumes of liquid.

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7
Q

Different ways of calculating volume.

A

1: With instruments and containers.
2: If regular shape with formulas.

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8
Q

How do we measure volume with solids?

A

With water, container & the difference before and after is the volume.

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9
Q

What’s density?

A

Density is a defining characteristic that describes the concentration of mass in a specific volume.

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10
Q

How do we calculate density?

A

Density = Mass / Volume

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11
Q

How do we calculate mass and volume with formula?

A
Mass = Density * Volume
Volume = Mass / Density
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12
Q

What are the units of density?

A

g/cm3

kg/m3

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13
Q

What are extensive properties and examples?

A

Extensive properties are properties in which you cannot distinguish one material from another & depend on the amount of substance analyzed.
Example: Mass & Volume

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14
Q

What are intensive properties and examples?

A

Intensive properties don’t depend on the amount of matter analyzed.
Example: Density

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15
Q

What is a specific property & example?

A

A specific property is a property which distinguished a substance from another.
Example: Density

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16
Q

What’s the density of water?

A

≈ 1 g/cm3

≈ 1000 kg/m3