5.3.4

Temperature Increase in a Gas

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Temperature Increase in a Gas

The pressure of a gas produces a net force (the sum of all the forces) at right angles to the wall of a container. As you increase the temperature of a gas, its particles get more kinetic energy and move faster.

Fixed container

Fixed container

  • If we increase the temperature of gas in a fixed volume, then the particles will collide with (hit) the container walls with more force.
  • Therefore the pressure will increase.
Stretchy container

Stretchy container

  • An increase of temperature leads to higher kinetic energy of particles.
  • These particles collide with (hit) the walls of the container with more force.
  • If the container can expand (increase its volume), it will.
    • This is because the gas pushes it outwards.
  • For a fixed mass of gas at constant temperature:
    • p1 V1 = p2 V2.
Jump to other topics
1

Forces & Motion

1.1

Basics of Motion

1.2

Forces

1.3

Effects of Forces

1.4

Stopping Distance

1.5

Forces & Elasticity

2

Electricity

3

Waves

4

Energy Resources & Energy Transfers

5

Solids, Liquids & Gases

6

Magnetism & Electromagnetism

7

Radioactivity & Particles

8

Astrophysics

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