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Questions and Answers
What does Postulate 1 state?
What does Postulate 1 state?
Gases consist of tiny particles (atoms or molecules).
According to Postulate 2, what can the volume of the individual particles be assumed to be?
According to Postulate 2, what can the volume of the individual particles be assumed to be?
What is described in Postulate 3 regarding particle motion?
What is described in Postulate 3 regarding particle motion?
The particles are in constant random motion, colliding with the walls of the container.
According to Postulate 4, gas particles attract or repel each other.
According to Postulate 4, gas particles attract or repel each other.
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What does Postulate 5 state about the kinetic energy of gas particles?
What does Postulate 5 state about the kinetic energy of gas particles?
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Study Notes
Kinetic Molecular Theory Postulates
- Gases are composed of very small particles, which can be atoms or molecules.
- The size of gas particles is negligible compared to the distances between them, allowing the assumption that their volume is insignificant.
- Gas particles are continually in random motion, with frequent collisions against the walls of their container; these interactions generate the pressure exerted by the gas.
- There are no attractions or repulsions between the gas particles; they are considered to move independently of one another.
- The average kinetic energy of gas particles correlates directly with the gas's temperature measured in Kelvin, reflecting principles outlined in Charles' Law.
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Test your understanding of the five postulates of the Kinetic Molecular Theory (KMT) with these flashcards. Each card presents a fundamental concept about the behavior of gases at the molecular level. Perfect for students studying physical science or chemistry.
