9. Behaviour of Perfect Gas and Kinetic Theory
Gases are characterized by their lack of fixed shape and volume, making them easily compressible. The behavior of gases can be explained using the Kinetic Theory, which describes gas particles as constantly moving and colliding elastically. Important gas laws like Boyle's, Charles's, and Gay-Lussac's help predict gas behavior under various conditions, connecting with applications in real-world scenarios like scuba diving and hot air balloons.
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What we have learnt
- Gases consist of particles in random motion with negligible intermolecular forces except during collisions.
- The behavior of gases can be summarized through laws such as Boyle's, Charles's, and Gay-Lussac's.
- The Ideal Gas Equation relates pressure, volume, and temperature for gas behavior under ideal conditions.
Key Concepts
- -- Kinetic Theory of Gases
- A theory that explains the behavior of gases based on the motion of their particles.
- -- Boyle’s Law
- At constant temperature, the pressure of a gas is inversely proportional to its volume.
- -- Charles’s Law
- At constant pressure, the volume of a gas is directly proportional to its absolute temperature.
- -- GayLussac’s Law
- At constant volume, the pressure of a gas is directly proportional to its absolute temperature.
- -- Ideal Gas Equation
- An equation that combines Boyle’s, Charles’s, and Gay-Lussac’s laws to relate pressure, volume, and temperature.
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