What causes gas to exert pressure?
Understand the Problem
The question is asking about the physical principles that explain how gas particles exert pressure on their surroundings. This includes concepts such as the kinetic theory of gases, which states that gas molecules are in constant motion and collide with surfaces, creating pressure.
Answer
Collisions of gas molecules with surfaces cause gas pressure.
Gas pressure is caused by the force exerted by gas molecules colliding with the surfaces of objects.
Answer for screen readers
Gas pressure is caused by the force exerted by gas molecules colliding with the surfaces of objects.
More Information
Gas molecules move randomly and collide with the walls of their container, creating pressure due to the cumulative force of these collisions.
Tips
A common mistake is thinking gas pressure is due to the gas molecules themselves, not their collisions with container walls.
Sources
- Gas Pressure - courses.lumenlearning.com
- How does gas exerts pressure on its container? - Socratic - socratic.org
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