Gas Laws Test Review Question Preview (ID: 17781)
Gas Law Test Review.
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According to the kinetic-molecular theory, particles of matter
a) are in constant motion
b) have different shapes
c) have different colors
d) are always fluid
According to the kinetic-molecular theory, gases condense into liquids because of
a) gravity
b) atmospheric pressure
c) forces between molecules
d) elastic collisions
According to the kinetic-molecular theory, which substances are made of particles?
a) ideal gases only
b) all gases
c) all matter
d) all matter except solids
Which is an example of gas diffusion?
a) inflating a flat tire
b) the odor of perfume spreading throughout a room
c) a cylinder of oxygen stored under high pressure
d) All of the above
By which process do gases take the shape of their container?
a) evaporation
b) expansion
c) adhesion
d) diffusion
Which is an example of effusion?
a) air slowly escaping from a pinhole in a tire
b) the aroma of a cooling pie spreading across a room
c) helium dispersing into a room after a balloon pops
d) oxygen and gasoline fumes mixing in an automobile carburetor
What happens to the volume of a gas during compression?
a) The volume increases.
b) The volume decreases.
c) The volume remains constant
d) It is impossible to tell because all gases are different.
Under which conditions do real gases most resemble ideal gases?
a) low pressure and low temperature
b) low pressure and high temperature
c) high pressure and high temperature
d) high pressure and low temperature
Pressure is the force per unit
a) volume
b) surface area.
c) length.
d) depth
What does the constant bombardment of gas molecules against the inside walls of a container produce?
a) temperature
b) density
c) pressure
d) diffusion
What instrument measures atmospheric pressure?
a) barometer
b) manometer
c) vacuum pump
d) torrometer
What instrument measures the pressure of an enclosed gas?
a) barometer
b) manometer
c) vacuum pump
d) torrometer
Why does the air pressure inside the tires of a car increase when the car is driven?
a) Some of the air has leaked out.
b) The air particles collide with the tire after the car is in motion
c) The air particles inside the tire increase their speed because their temperature rises.
d) The atmosphere compresses the tire.
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