WorksheetsKinetic Molecular Theory
Total questions: 27
Worksheet time: 16mins
A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as
real gas
ideal gas
imaginary gas
perfect gas
Which of the following is not true about the volume of a gas?
Most of the volume is empty space.
The volume is occupied by particles in continuous, rapid, random motion.
The volume cannot be changed easily
Generally, the volume can be easily changed
Which of the following is an assumption of the kinetic-molecular theory of gases?
Collisions between gas particles are inelastic.
Gases consist of closely spaced particles.
Gas particles move around in an orderly manner.
The temperature of a gas depends on the average kinetic energy of the gas particles.
Which condition is necessary for most gases to behave nearly ideally?
high pressure
high temperature
low compressibility
low expansion
Which of the following is not a physical property of gases?
indefinite volume
high density
high compressibility
fluidity
Which states of matter are fluid?
gases and liquids
liquids and solids
gases only
liquids only
According to the Kinetic Molecular Theory a liquid's (SELECT ALL THAT APPLY)
particles are held close together by intermolecular forces
particles are in constant motion
particles are vibrating in place and closely packed
particles are not moving
The properties of liquids include (SELECT ALL THAT APPLY)
definite volume
take the shape of the container
can flow
are relatively incompressible
can diffuse and have surfacre tension
A meniscus forms from a liquid in a test tube due to
capillary action
surface tension
evaporation
diffusion
ACTIVATE PRIOR KNOWLEDGE: What is the phase change of a solid to a liquid?
freezing
melting
boiling
condensation
2. ACTIVATE PRIOR KNOWLEDGE: A change of state from a liquid to a solid is called....
Melting
Freezing
Evaporation
5. ACTIVATE PRIOR KNOWLEDGE: What is it called when a solid turns directly into a gas?
Sublimation
Condensation
Liquid
ACTIVATE PRIOR KNOWLEDGE: Change from Gas to Solid is called........
Sublimation
Deposition
Fusion
condensation
ACTIVATE PRIOR KNOWLEDGE: The phase change from liquid to gas is called....
expansion
vaporization
condensation
sublimation
ACTIVATE PRIOR KNOWLEDGE: The phase change from water vapor to liquid water is known as...
vaporization
precipitation
condensation
sublimation
What is the first assumption of the Kinetic Theory of Matter?
Gases consists of large numbers of tiny particles that are far apart relative to their size
Gases are the same in all matter
Matter is the same as kinetic energy
What determines how close molecules are to each other?
The diameter of the molecules
There is no way to tell
The state of phase of the material
Which of the physical states of water contains particles with the lowest kinetic energy?
Water
Ice
Steam
Melting ice
Intermolecular forces are greatest between the particles of a
mixture
gas
solid
pure substance
According to kinetic molecular model, in gases,
The particles are closely packed together, they occupy minimum space and are usually arranged in a regular pattern
The particles occur in clusters with molecules slightly further apart
The molecules are very far apart and occupy all space made available to them
The particles vibrate about fixed positions and are held together by strong intermolecular bonds between them
Kinetic energy is the energy of
Force
Energy
Motion
Acceleration
The spontaneous mixing of particles of two substances caused by random motion of particles
effusion
Diffusion
Compressibility
Expansion
The process by which gas particles pass through a tiny opening
effusion
diffusion
compressibility
expansion
Principle 5: Collisions between atoms are perfectly ________ (no energy is lost)
stretchable
dangerous
elastic
unknown
If you add heat, kinetic energy ____________, so atoms move faster.
decreases
increases
stays the same
If you remove heat, kinetic energy decreases so atoms move ______________
faster
slower
stays the same
Which of the following phase changes results in the greatest increase in particle motion?
Sublimation
Deposition
Melting
Freezing
