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Kinetic Molecular Theory

Total questions: 20

Worksheet time: 14mins

Name
Class
Date
1.

A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as

a)

real gas

b)

ideal gas

c)

imaginary gas

d)

perfect gas

2.

Which of the following is an assumption of the kinetic-molecular theory of gases?

a)

Collisions between gas particles are inelastic.

b)

Gases consist of closely spaced particles.

c)

Gas particles move around in an orderly manner.

d)

The temperature of a gas depends on the average kinetic energy of the gas particles.

3.

Which condition is necessary for most gases to behave nearly ideally?

a)

high pressure

b)

high temperature

c)

low compressibility

d)

low expansion

4.

Which of the following is not a physical property of gases?

a)

absence of definite volume

b)

high density

c)

high compressibility

d)

fluidity

5.

The pressure exerted by a gas does not depend on

a)

temperature.

b)

volume.

c)

number of moles present.

d)

the identity of the gas.

6.

According to the kinetic molecular theory, ideal

gas particles

a)

are separated by small distances relative to their size

b)

do not transfer energy when they collide with each other

c)

have attractive forces between them

d)

move in random, constant, straight-line motion

7.

According to the kinetic molecular theory, which statement explains why an ideal gas can be compressed to a smaller volume?

a)

The motion of the gas particles is circular and orderly

b)

The force of attraction between the gas particles is strong.

c)

As the gas particles collide, the total energy of the system decreases.

d)

The gas particles are separated by great distances relative to their size.

8.

Under which conditions of temperature and pressure does a sample of propane behave least like an ideal gas?

a)

250. K and 1.0 atm

b)

250. K and 5.0 atm

c)

500. K and 1.0 atm

d)

500. K and 5.0 atm

9.

Which statement describes the particles of an ideal gas, based on the kinetic molecular theory?

a)

There are attractive forces between the particles.

b)

The particles move in circular paths.

c)

The collisions between the particles reduce the total energy of the gas.

d)

The volume of the gas particles is negligible compared with the total volume of the gas.

10.

Which phrase describes the motion and attractive forces of ideal gas particles?

a)

random straight-line motion and no attractive forces

b)

random straight-line motion and strong attractive forces

c)

random curved-line motion and no attractive forces

d)

random curved-line motion and strong attractive forces

11.

Which of the physical states of water contains particles with the lowest kinetic energy?

a)

Water

b)

Ice

c)

Steam

d)

Melting ice

12.

Kinetic energy is the energy of

a)

Force

b)

Energy

c)

Motion

d)

Acceleration

13.

Principle 5: Collisions between atoms are perfectly ________ (no energy is lost)

a)

stretchable

b)

dangerous

c)

elastic

d)

unknown

14.

Gases exert_____________.

a)

temperature

b)

volume

c)

pressure

d)

moles

15.

The nature of gases state that gases will _____ space available to them.

a)

repel

b)

fill

c)

give

d)

move

16.

Gases can be compressed.

a)

True

b)

False

17.

There is/are no ___________________ present between gas particles or the walls of the container the gas is in.

a)

forces of attraction

b)

kinetic energy

c)

helium

d)

mL

18.

What does the kinetic molecular theory explain?

a)

The behavior of liquids

b)

The behavior of solids

c)

The behavior of gases

d)

The behavior of plasma

19.

In the Kinetic Molecular Theory, temperature should always be measured in which unit?

a)

Celsius

b)

Fahrenheit

c)

Kelvin

d)

Rankine

20.
Gas pressure is caused by
a)
gas molecules colliding with surfaces
b)
gas molecules condensing to a liquid
c)
gas molecules hitting other gas molecule
d)
barometers