Particle Model & Pressure (OCR GCSE Physics A (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Type of motion of gas molecules
Type of motion of gas molecules
Constant random motion
What gas temperature relates to
What gas temperature relates to
Average kinetic energy of molecules
Effect of higher temp on avg molecular speed
Effect of higher temp on avg molecular speed
Faster average speed
What molecules do when hitting container walls
What molecules do when hitting container walls
Exert a force on the wall
Definition of gas pressure
Definition of gas pressure
Total force per unit area on container walls
Name of law: temp changes pressure at constant volume
Name of law: temp changes pressure at constant volume
Pressure law
Kinetic energy of particles at low temp
Kinetic energy of particles at low temp
Lower
Collision frequency at low temperature
Collision frequency at low temperature
Fewer collisions per second
Collision energy at low temperature
Collision energy at low temperature
Lower-energy collisions
Kinetic energy of particles at high temp
Kinetic energy of particles at high temp
Higher
Collision frequency at high temperature
Collision frequency at high temperature
More collisions per second
Collision energy at high temperature
Collision energy at high temperature
Higher energy collisions