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WorksheetsKinetic Molecular Theory
Total questions: 20
Worksheet time: 10mins
According to the kinetic molecular theory, ideal
gas particles
are separated by small distances relative to their size
do not transfer energy when they collide with each other
have attractive forces between them
move in random, constant, straight-line motion
State a change in pressure that will cause a gas in a cylinder to behave more like an ideal gas.
Increase
Decrease
Remain the Same
According to the kinetic molecular theory, which statement explains why an ideal gas can be compressed to a smaller volume?
The motion of the gas particles is circular and orderly
The force of attraction between the gas particles is strong.
As the gas particles collide, the total energy of the system decreases.
The gas particles are separated by great distances relative to their size.
Under which conditions of temperature and pressure does a sample of propane behave least like an ideal gas?
250. K and 1.0 atm
250. K and 5.0 atm
500. K and 1.0 atm
500. K and 5.0 atm
Under which conditions of pressure and temperature is a real gas most like an ideal gas?
low pressure and low temperature
low pressure and high temperature
high pressure and low temperature
high pressure and high temperature
Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?
There are attractive forces between the particles.
The particles move in circular paths.
The collisions between the particles reduce the total energy of the gas.
The volume of the gas particles is negligible compared with the total volume of the gas.
State a change in temperature that will cause a gas in a cylinder to behave more like an ideal gas.
Decrease
Increase
Remain Constant
According to the kinetic molecular theory, which statement describes the particles in a sample of an ideal gas?
The particles are constantly moving in circular paths
The particles collide, decreasing the total energy of the system.
The particles have attractive forces between them.
The particles are considered to have negligible volume.
At which temperature and pressure will a sample of neon gas behave most like an ideal gas?
300. K and 2.0 atm
300. K and 4.0 atm
500. K and 2.0 atm
500. K and 4.0 atm
Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?
The volume of the particles is considered negligible.
The force of attraction between the particles is strong.
The particles are closely packed in a regular, repeating pattern.
The particles are separated by small distances, relative to their size.
State a change in temperature and a change in pressure of the CO2(g) that would cause it to behave more like an ideal gas.
Higher Temperature and Higher Pressure
Lower Temperature and Lower Pressure
Higher Temperature and Lower Pressure
Lower Temperature and Higher Pressure
State a change in pressure that will cause helium in a cylinder to behave more like an ideal gas.
Decrease
Increase
Remain Constant
At which temperature and pressure would a sample of helium behave most like an ideal gas?
75 K and 500. kPa
150. K and 500. kPa
300. K and 50. kPa
600. K and 50. kPa
Which phrase describes the motion and attractive forces of ideal gas particles?
random straight-line motion and no attractive forces
random straight-line motion and strong attractive forces
random curved-line motion and no attractive forces
random curved-line motion and strong attractive forces
State the changes in both pressure and temperature of the gas in a cylinder that would cause it to behave more like an ideal gas
Higher Temp and Higher Pressure
Lower Temp and Lower Pressure
Higher Temp and Lower Pressure
Lower Temp and Higher Pressure
The kinetic molecular theory states that all particles of an ideal gas are
colliding without transferring energy
in random, constant, straight-line motion
arranged in a regular geometric pattern
separated by small distances relative to their size
According to kinetic molecular theory, which statement describes one characteristic of an ideal gas system?
The distance between gas molecules is smaller than the diameter of one gas molecule.
The attractive force between two gas molecules is strong.
The energy of the system decreases as gas molecules collide.
The straight-line motion of the gas molecules is constant and random.
A real gas behaves most like an ideal gas at
low pressure and high temperature
low pressure and low temperature
high pressure and high temperature
high pressure and low temperature
Compared to a sample of helium at STP, the same sample of helium at a higher temperature and a lower pressure
condenses to a liquid
is more soluble in water
forms diatomic molecules
behaves more like an ideal gas
State one change in temperature and one change in pressure that will cause the gas in the cylinder to behave more like an ideal gas.
Lower Temp and Lower Pressure
Higher Temp and Higher Pressure
Lower Temp and Higher Pressure
Higher Temp and Lower Pressure
