properties of gases Flashcards

1
Q
  • neither have definite size or shape
  • take the shape of its container
A

gas

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2
Q

most gasses are not seen (carbon dioxide, oxygen)

A

invisible

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3
Q

smoke from vehicles

A

visible

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4
Q

easy to compress

A

compressibility

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5
Q

expand to fill their containers

A

expandability

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6
Q

Occupies more space

A

Occupy more space

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7
Q

particles are very far from each other

A

low density

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8
Q

flows in all directions

A

Can flow in all directions

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9
Q

when different gasses are mixed, they produce different colors

A

colorless

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10
Q

examples of colorless gasses:

A

ex: oxygen, nitrogen, methane

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11
Q

amount of a gas or its mass

A

mass

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12
Q

quantity of gas present in a container

A

mass

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13
Q

expressed in Moles (mol) or Grams (g)

A

mass

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14
Q

amount of space occupied by the gas

A

volume

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15
Q

expressed in Liter (L) or millimeter (mL)

A

volume

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16
Q

measures the hotness or coldness

A

temperature

17
Q

measured in Celsius (°C) or Kelvin (K)

A

temperature

18
Q

more and more energetic collisions

A

hot gas

19
Q

fewer and less energetic collisions

A

cool gas

20
Q

the average effect of the forces of the colliding molecules

A

pressure

21
Q

measured in Atmosphere, tor, psi, cmHg, mmHg

A

pressure

22
Q

What are their equivalents?
1 mL = ?
1 L = ?
1 m3 = ?

A

1 mL = cm3
1 L = 1 dm3
1 m3 = 1000 L

23
Q

equivalents of 1 atm:

A

1 atm = 760 mmHg = 76 cmHg = 760 torr = 101325 Pa = 14.6956 psi

24
Q

equivalents of 0°C:

A

0 °C = 273.15 K
0 °C = 32 °F

25
Q

in the middle of 1600s, Robert Boyle studied the relationship between the pressure and the volume of a confined gas held at constant temperature

A

Boyle’s Law