QUIZ 12.1 - 12.2

Question 1

describes the behavior of matter in terms of particles in motion

Answer 1

kinetic-molecular theory

Question 2

a collision in which no kinetic energy is lost

Answer 2

elastic collision

Question 3

the measure of the average kinetic energy of the particles in a sample of matter

Answer 3

temperature

Question 4

term used to describe the movement of one material through another

Answer 4

diffusion

Question 5

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

Answer 5

Grahams law of effusion

Question 6

defined as force per unit area

Answer 6

pressure

Question 7

instrument use to measure atmospheric pressure

Answer 7

barometer

Question 8

equal to a force of one newton per square meter

Answer 8

pascal

Question 9

equal to 760mm Hg or 760 Torr or 101.3 kilopascals

Answer 9

atmosphere

Question 10

the weak forces that result from temporary shifts in the density of electrons in electron clouds

Answer 10

dispersion forces

Question 11

dipole-dipole attraction that occurs between molecules containing a hydrogen atom bonded to a samll, highly electronegative atom with at least one electron pair,

Answer 11

hydrogen bond