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Chemistry > Unit 6 > Flashcards

Unit 6 Flashcards

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1
Q

Liquid

A

Particles move by sliding past each other
Indefinite shape
Definite volume

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2
Q

Gas

A

Particles spread out throughout container
Indefinite shape
Indefinite volume
Highest KE

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3
Q

Melting

A

Solid–liquid

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4
Q

Freezing

A

Liquid–solid

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5
Q

Boiling (vaporization)

A

Liquid–gas

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6
Q

Condensation

A

Gas–liquid

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7
Q

Sublimation

A

Solid–gas

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8
Q

Deposition

A

Gas–solid

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9
Q

How to convert to kelvin

A

K=degrees Celsius + 273

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10
Q

Atm to psi

A

1 atm=14.7 psi

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11
Q

Atm to kPa

A

1 atm = 101 kPa

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12
Q

Atm to mmHg

A

1 atm = 760 mm Hg

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13
Q

STP

A

Standard temperature and pressure

1 atm

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14
Q

Properties of gases

A
  1. Gases are fluids (substance that flows)
  2. Gases are highly compressible-can change its volume
  3. Gases completely fill their container (indefinite shape and volume)
  4. Gases have lower densities than liquids and solids
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15
Q

KMT

A

Describes the motion of particles

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16
Q

Main assumptions of KMT

A
  1. Gas molecules are in constant random motion
  2. Gas molecules are separated by large distances
  3. No attractive or repulsive forces
  4. Gases are made of molecules that have mass
  5. Molecules undergo elastic collisions (when they collide, no energy is lost, only transferred)
17
Q

Relationship between temperature and kinetic energy

A

Directly proportional

18
Q

Solid

A

Particles vibrate but don’t move past each other
Definite shape
Definite volume
Lowest KE

19
Q

Boyle’s Law

A

P1V1=P2V2

Volume and pressure of a gas are inversely proportional

20
Q

Charles’ Law

A

V1/T1=V2/T2

For a fixed amount of gas at a constant pressure, the volume of a gas is directly proportional to the temperature

21
Q

Gay-Lussac Law

A

P1/T1=P2/T2

For a fized amount of gas at a constant volume, the pressure of a gas is directly proportional to the temperature

22
Q

Combined Gas Law

A

P1V1/T1=P2V2/T2

23
Q

Ideal Gas Law

A

PV=nRT

24
Q

Dalton’s Law of Partial Pressure

A

The total pressure of a mizture of gases is equal to the sum of the pressure of the individual gases

Chemistry (11 decks)

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