Particle Model & Pressure (AQA GCSE Physics): Flashcards
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13 cards from this deck
Type of motion of gas molecules
Type of motion of gas molecules
Constant random motion
What is gas temperature related to?
What is gas temperature related to?
Average kinetic energy of molecules
Effect of higher temperature on average speed of molecules
Effect of higher temperature on average speed of molecules
Faster average speed
What do molecules do when they hit container walls?
What do molecules do when they hit container walls?
Exert a force on the wall
Definition of gas pressure
Definition of gas pressure
Total force by all molecules on unit area of walls
What changes pressure at constant volume?
What changes pressure at constant volume?
Changing the temperature
Name for temperature affecting pressure at constant volume
Name for temperature affecting pressure at constant volume
Pressure law
At low temperature, describe the kinetic energy
At low temperature, describe the kinetic energy
Lower kinetic energy
At low temperature, describe collision frequency
At low temperature, describe collision frequency
Fewer collisions per second
At low temperature, describe collision energy
At low temperature, describe collision energy
Lower-energy collisions
At high temperature, describe the kinetic energy
At high temperature, describe the kinetic energy
Higher kinetic energy
At high temperature, describe collision frequency
At high temperature, describe collision frequency
More collisions per second
At high temperature, describe collision energy
At high temperature, describe collision energy
Higher energy collisions