PS Chapter 16

Question 1

matter is made of tiny particles that are in constant motion

Answer 1

kinetic theory of matter

Question 2

average kinetic energy of the particles in a sample of matter

Answer 2

temperature

Question 3

particles are really close together and attracted to each other

Answer 3

solid

Question 4

particles are close together but far enough apart to slip past each other

Answer 4

liquid

Question 5

amount of space something takes up

Answer 5

volume

Question 6

particles are completely spread apart and not attracted to each other because they are moving too fast

Answer 6

gas

Question 7

spread out to take all of the available space

Answer 7

diffusion

Question 8

matter consisting of positively and negatively charged particles; not a normal state

Answer 8

plasma

Question 9

temperature at which a solid begins to liquify

Answer 9

melting point

Question 10

specific temperature at which many particles change from a liquid to a gas

Answer 10

boiling point

Question 11

an increase in the size of a substance when the temperature is increased

Answer 11

thermal expansion

Question 12

amount of energy required for the liquid at it boiling point to become a gas

Answer 12

heat of vaporization

Question 13

change from a solid to a liquid

Answer 13

melting

Question 14

change from a liquid to a soild

Answer 14

freezing

Question 15

change from liquid to a gas one particle at a time

Answer 15

evaporation

Question 16

change from a liquid to a gas at a specific temperature

Answer 16

boiling

Question 17

change from a solid to a gas

Answer 17

sublimation

Question 18

force/area

Answer 18

pressure in solid & liquid

Question 19

particles hitting sides of container

Answer 19

pressure in a gas

Question 20

Bernoulli’s principle says that if velocity increases, pressure ___.

Answer 20

decreases

Question 21

Boyle’s and Charles’s law apply to only ___.

Answer 21

gas

Question 22

Boyle’s law says that if volume decreases, then pressure ___

Answer 22

increases

Question 23

Charles’s law says that if temperature decreases, then volume ___.

Answer 23

decreases