3.5 Kinetic Molecular Theory

Abbreviation of kinetic molecular theory:

KMT

The kinetic molecular relates the macroscopic properties of gases to ______ of the particles in the gas

Motions

The kinetic molecular relates the ______ of gases to the motions of particles in the gas

Macroscopic properties

The Maxwell–Boltzmann distribution describes the:

Distribution of the kinetic energies of particles at a given temperature

The ______ describes the distribution of the kinetic energies of particles at a given temperature

Maxwell–Boltzmann distribution

All the particles in a sample of matter are in ______ motion

Continuous, random

The average kinetic energy of a particle is related to its average velocity by:

KE = 1/2 mv^2

The Kelvin temperature of a sample of matter is proportional to the ______ of the particles in the sample

Average kinetic energy

The ______ of a sample of matter is proportional to the average kinetic energy of the particles in the sample

Kelvin temperature

The Maxwell–Boltzmann distribution provides a graphical representation of the ______ of particles at a given temperature

Energies/velocities

The ______ provides a graphical representation of the energies/velocities of particles at a given temperature

Maxwell–Boltzmann distribution

The Maxwell-Boltzmann distribution provides a graphical representation of the energies/velocities of particles at a given:

Temperature

The absolute temperature of a gas is a measure of the ______ of its gas particles

Average kinetic energy

The ______ of a gas is a measure of the average kinetic energy of its gas particles

Absolute temperature

If two gas samples are at the same temperature, they have the same:

Kinetic energy

If two gas samples are at the same ______, they have the same kinetic energy

Temperature

If two different gas samples are at the same temperature, the gas with the smaller molar mass contains particles traveling at a faster/slower average speed

Faster

Is each particle in a sample of gas traveling at the same speed?

No

In a sample of gas, there is a range of values for:

Speed

The range of values for speed in a sample of gas can be represented graphically by a:

Maxwell-Boltzmann distribution curve

A Maxwell-Boltzmann distribution curve represents the ______ in a sample of gas

Range of values for speed

The peak of the curve on a Maxwell-Boltzmann distribution curve represents the:

Most probable speed / speed of the largest fraction of gas particles

If the total number of particles in each sample is the same, the ______ on a Maxwell-Boltzmann distribution curve is the same

Area under each curve

If the ______ in each sample is the same, the area under each curve on a Maxwell-Boltzmann distribution curve is the same

Total number of particles

On a Maxwell-Boltzmann distribution curve, as the average speed of the particles increases, there is a wider range of values for:

Particle speed

On a Maxwell-Boltzmann distribution curve, as the average speed of the particles increases, what happens to the curve?

Broadens and flattens

On a Maxwell-Boltzmann distribution curve, as the average speed of the particles increases, what happens to the peak of the curve?

Moves to the right