Lesson 2, Topic 3
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The effect of temperature and pressure on particles

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The pressure of a gas is due to the particles colliding with the walls of the container that the gas is held in

  • If gases are compressed into a smaller volume, there will be more particles hitting the container wall every second

  • The more frequent the collisions with the container wall the higher the pressure

 

  • Increasing the temperature makes particles move faster and increases the frequency of collisions with the container walls

  • Therefore, increasing the temperature increases the pressure if the volume stays constant