Chemistry

Front 1

theory proposed by Boltzmann and Maxwel to explain the properties of gases

Back 1

kinetic molecular theory

Front 2

name the four components of the kinetic molecular theory

Back 2

1. particles of a gas are in constant, random motion
2. gases consist of small particles separated by empty space with no signicicant attractionor repulsion
3. gases move in straight line
4. collusions of particles are perfectly elastic/ no loss of energy

Front 3

measure of average kinetic energy of gas particles

Back 3

temperature

Front 4

law for gases, lots of space between particles

Back 4

density

Front 5

large amount of space between particles, little attraction or repulsion

Back 5

compression and expansion

Front 6

little attraction

Back 6

diffusion and effusion

Front 7

movement of one material through another

Back 7

diffusion

Front 8

movement through a tiny opening

Back 8

effusion

Front 9

grahams law

Back 9

effusion

Front 10

state graham's law

Back 10

the rate of effusion of a gas is inversely proportional to the square root of its molar mass

Front 11

force per unit of area

Back 11

pressure

Front 12

device for measuring pressure

Back 12

barometer

Front 13

device for measuring pressure of an encolsed gas

Back 13

manometer

Front 14

the total pressure of a mixture of gases is equal to the sum of the pressures of all the gases in the mixture

Back 14

Dalton's law of partial pressure

Front 15

Ptotal = P1 + P2 + P3+ . . . Pn

Back 15

Dalton's law of partial pressure

Front 16

attractive forces in ionic, covalent and metallic bonds are ____________

Back 16

intramolecular

Front 17

weaker than intramolecular or bonding forces

Back 17

Intermolecular

Front 18

weak forces that result from temperoary shifts in density of the electron could (also called London forces)

Back 18

dispersion forces

Front 19

neighboring polar molecules align themsleves to attract opposite changes in other

Back 19

dipole-dipole forces

Front 20

a double dipole-dipole attration between hydrogen and another small, higly electronegative elecment (upper right periodic table)

Back 20

hydrogen bond

Front 21

can be described through the KMT particles flow, constant motion of particles
density is explained by intermoleculer forces
difficult to compress

Back 21

Liquids

Front 22

classified as fluids

Back 22

gases and ligquids

Front 23

diffusion of ______ is slower than that of gases (intermoleculer forces)

Back 23

liquids

Front 24

measure of the resistance to flow

Back 24

viscosity

Front 25

stronger attractive forces, higher

Back 25

viscosity

Front 26

higher temperature equal

Back 26

lower viscosity

Front 27

measure of the inward pull of particles by particles in interior

Back 27

Surface tension

Front 28

name some breakers of surface tension

Back 28

soap, detergent

Front 29

what are surfactants?

Back 29

things that break down surface tension (soap, detergent, )

Front 30

attraction between similar molecules

Back 30

cohesion

Front 31

attraction between different molecules

Back 31

adhesion

Front 32

can use KMT

Back 32

solids

Front 33

motion of particles is restriced to vibration in place

Back 33

solids

Front 34

particles densely packed

Back 34

density

Front 35

a solid whose molecules or ions are arranged in crystals

Back 35

crystalline solids

Front 36

name the crystalline solids (7)

Back 36

cubic
tetragonal
orthorhombric
triclinic
rhombehedral
monoclinic
hexagonal

Front 37

phase changes that require energy

Back 37

melting (needs added energy a.e. heat)

Front 38

difficult to determine melting point

Back 38

amorphous solids

Front 39

process by which a liquids changes to a gas or vapor

Back 39

vaporization

Front 40

process where vaporization occurs at only surface of a liquid

Back 40

evaporation

Front 41

the pressure exerted by a vapor over a liquid

Back 41

vapor pressure

Front 42

the temperature at which the vapor pressure of the liquid equals atmospheric pressure

Back 42

boiling point

Front 43

the process by which a solid changes to a has withouth becoming a liquid

Back 43

sublimation

Front 44

phase changes that release energy

Back 44

1. condensation
2. deposion
3. freezing point

Front 45

process by which a gas or vapor becomes a liquid

Back 45

condensation

Front 46

process by which a gas or vapor becomes a solid without becoming a liquid

Back 46

depositon

Front 47

the temperature at wchich a liquid becomes crystalline solid

Back 47

freezing point

Front 48

the point on aphase diagram that represents the temperature and pressure of which 3 phases of a substance co exist

Back 48

triple point