IGCSE Gas Laws

 Pressure is measured by determining the amount of _______ exerted on a specific area of a container’s surface.

• volume

• electrons

• neutrons

• force

What is one unit for Pressure?

• Metre

• Kelvin

• Pascal

• Joule

Boyles law can explain the phenomenon of what?

• Fillig up a bicycle tyre with a hand pump and the resistance felt in the plunger.

• Pushing a hockey puck across the carpet.

• The increase of temperature in your engine.

• Going up in an elevator.

In Boyles Law volume and pressure are what?

• fighting against each other

• inversely proportional

• moving up because the temperature

• moving in the same direction

The gas in a 1 m³ balloon has it's pressure increased from 50 000 Pa to 100 000 Pa, what does the volume change to?

• 100 000 m³

• 2 m³

• 0.5 m³

• no change

What are units of temperature?

• Kelvin and Celsius

• Volume and Liquid

• Celsius and Ampere

• Fahrenheit and Pascal

Units of volume are?

• Meters cubed

• Volt

• Kilogram

• Watt

In the Pressure Law temperature and pressure are?

• Inversely proportional

• Directly proportional

• Just good friends

• Unrelated

As the temperature increases, the _____ required to keep the gas at the same pressure must increase as well.

• Volume

• Temperature

• Gas

• Pressure

A sample of gas is heated from 300 K to 450 K. At 300 K, the gas has a pressure of 200 000 Pa. What was the pressure of the gas at 450 K?

• 200 000 Pa

• 300 000 Pa

• 400 000 Pa

• 500 000 Pa