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Kinetic Molecular Theory and Boyle's Law

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

What is a key characteristic of gas behavior according to the Kinetic Molecular Theory?

a)

Gas particles are tightly packed together.

b)

Gas particles have a definite shape.

c)

Gas particles collide elastically with each other and the walls of their container.

d)

Gas particles are influenced by magnetic fields.

2.

What effect does increasing the temperature of a gas have on its molecular motion?

a)

It decreases molecular motion

b)

It has no effect on molecular motion

c)

It increases molecular motion

d)

It causes the gas to condense

3.

According to KMT, what happens when gas particles collide with the walls of a container?

a)

The particles stop moving.

b)

The particles stick to the walls.

c)

The pressure of the gas increases.

d)

The gas loses energy permanently.

4.

What happens to the volume of a balloon when it is taken out of the freezer and warmed up?

a)

It increases.

b)

It decreases.

c)

It stays the same.

d)

It pops.

5.

What happens to the average kinetic energy of gas molecules when the temperature is increased by 50% (in Kelvin)?

a)

It increases by 50%.

b)

It doubles.

c)

It increases by 25%.

d)

It stays the same.

6.

What causes the bubbles in a carbonated drink to form when it is poured?

a)

The CO2 escapes from the liquid due to increased pressure.

b)

The CO2 escapes from the liquid due to decreased pressure.

c)

The CO2 dissolves in the liquid due to increased temperature.

d)

The CO2 dissolves in the liquid due to decreased temperature.

7.

A scented candle is lit in one corner of a room. After a while, the smell of the scented wax and wick is noticed throughout the space. What phenomenon is responsible for this?

a)

Evaporation

b)

Convection

c)

Diffusion

d)

Absorption

8.

What is a key assumption of the Kinetic Molecular Theory?

a)

Gas particles are large and heavy.

b)

Gas particles are static and do not move.

c)

Gas particles move in straight-line motion.

d)

Gas particles have strong intermolecular forces.

9.

What observation is most indicative of a gas losing thermal energy?

a)

Gas molecules are colliding less frequently.

b)

Gas molecules are moving slower.

c)

Gas molecules are increasing in pressure.

d)

Gas molecules are spreading out more.

10.

Which statement contradicts the Kinetic Molecular Theory?

a)

Gas molecules are in constant motion.

b)

Gas molecules are far apart relative to their size.

c)

Gas molecules have strong intermolecular forces.

d)

Gas molecules collide elastically with container walls.

11.

If oxygen gas has half the kinetic energy of an unknown gas, which condition must be true?

a)

Oxygen gas moves slower than the unknown gas

b)

Oxygen gas is moving twice as fast.

c)

Oxygen has twice the temperature.

d)

Oxygen gas is unaffected by temperature changes.

12.

Ava is conducting an experiment with a sealed syringe filled with air. She notices that when she pushes the plunger to decrease the volume of the air inside, the pressure increases. According to Boyle's Law, the relationship between volume and pressure at constant temperature is _______________.

a)

Directly proportional

b)

Inversely proportional

c)

Unrelated

d)

Constant

13.

William has a balloon filled with gas that has an initial volume of 10 L at 2 atm. If the pressure decreases to 1 atm, what is the new volume of the balloon?

a)

40 L

b)

20 L

c)

5 L

d)

15 L

14.

During a science experiment, Charlotte inhales deeply to demonstrate how breathing works. What happens when she inhales?

a)

Volume increases, pressure decreases

b)

Volume decreases, pressure increases

c)

Both volume and pressure increase

d)

Neither volume nor pressure change

15.

Which graph correctly represents Boyle's Law?

a)

A straight line sloping upward

b)

A straight line sloping downward

c)

A curved line sloping downward

d)

A horizontal line

16.

Grace is conducting an experiment in a closed system where she has a gas in a container. If she halves the volume of the gas while keeping the temperature constant, what happens to the pressure?

a)

It doubles.

b)

It remains constant.

c)

It halves.

d)

It quadruples.

17.

Evan conducted an experiment using a J-tube to study gas behavior. How did he increase the pressure in his J-tube experiment?

a)

He added gas to the tube.

b)

He removed gas from the tube.

c)

He added mercury to the tube.

d)

He removed mercury from the tube.

18.

Hannah is conducting an experiment with a syringe filled with air. She notices that when she pushes down on the plunger, the air inside the syringe compresses. Which statement correctly describes Boyle's experiment?

a)

As pressure increases, volume increases.

b)

As pressure increases, volume decreases.

c)

As volume increases, pressure increases.

d)

Volume remains the same despite pressure changes.

19.

Jackson has a gas sample that occupies 400 mL at 600 torr and 25°C. What is its pressure if the volume expands to 1200 mL?

a)

200 torr

b)

500 torr

c)

750 torr

d)

1000 torr

20.

Charles's Law can be expressed mathematically as:

a)

V1/T1 = V2/T2

b)

P = kV

c)

P1/T1 = P2/T2

d)

V = kP