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Physics IGCSE Edexcel Ideal Gas Molecules

Authored by Sean Kelly

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8th Grade

Used 7+ times

Physics IGCSE Edexcel Ideal Gas Molecules
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Kinetic Theory of Gases?

Gases are composed of small particles in constant, random motion that collide with each other and the walls of their container, leading to pressure.

Gases are made up of solid particles that vibrate in place.

Gases are composed of large particles that move slowly and rarely collide.

Gases are static and do not move or interact with each other.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

State the Ideal Gas Law equation.

PV = nRT

PV = nT

P = nRT

V = nRT

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain Boyle's Law.

Boyle's Law only applies to solids and liquids, not gases.

Boyle's Law states that the volume of a gas is directly proportional to its pressure.

Boyle's Law states that the pressure of a gas is inversely proportional to its volume.

Boyle's Law is about the relationship between temperature and pressure of a gas.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does temperature affect the kinetic energy of gas molecules?

Kinetic energy of gas molecules remains constant regardless of temperature.

Temperature has no effect on the kinetic energy of gas molecules.

Kinetic energy of gas molecules decreases with temperature.

Kinetic energy of gas molecules increases with temperature.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the assumptions of the Kinetic Theory of Gases?

Gas particles have significant volume

Gas particles exert strong intermolecular forces constantly

Gas particles are in constant, random motion; Gas particles are point masses with negligible volume; Gas particles undergo elastic collisions; Gas particles do not exert intermolecular forces except during collisions.

Gas particles move in a straight line only

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the pressure of a gas with a volume of 5L and a temperature of 300K using the Ideal Gas Law equation.

The pressure of the gas is 25.67 atm.

The pressure of the gas is 60.32 atm.

The pressure of the gas is 10.45 atm.

The pressure of the gas is 49.26 atm.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the volume of a gas is halved while the temperature remains constant, what happens to the pressure according to Boyle's Law?

The pressure doubles.

The pressure remains the same.

The pressure decreases.

The pressure quadruples.

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