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Chapter 15

Chapter 15. Kinetic Molecular Theory. Some Amazing Things. Kinetic Theory. Kinetic Theory. All matter is composed of tiny particles. Kinetic Theory. All matter is composed of tiny particles Atoms. Kinetic Theory. All matter is composed of tiny particles Atoms Molecules. Kinetic Theory.

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Chapter 15

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  1. Chapter 15 Kinetic Molecular Theory

  2. Some Amazing Things

  3. Kinetic Theory

  4. Kinetic Theory • All matter is composed of tiny particles.

  5. Kinetic Theory • All matter is composed of tiny particles • Atoms

  6. Kinetic Theory • All matter is composed of tiny particles • Atoms • Molecules

  7. Kinetic Theory • All matter is composed of tiny particles • Atoms • Molecules • Ions

  8. Kinetic Theory • These tiny particles are in constant motion. Liquid Gas Solid

  9. Kinetic Theory • Collisions between moving particles are perfectly elastic. • In an elastic collision there is no net change in kinetic energy.

  10. Pressure depends on two factors Force Area Pressure = Pressure Force Area

  11. Examples of Pressure

  12. Gas Pressure

  13. Temperature • How hot or cold • Average kinetic energy

  14. How do we lower temperature? • We slow down the particles.

  15. Absolute Zero K = °C + 273 °C = K - 273

  16. Kinetic Energy KE = ½ mv2 When considering kinetic energy we must consider two factors. • Mass • Velocity

  17. New Discipline System

  18. “Old Fashioned Discipline”

  19. New Discipline System “Old Fashioned Discipline”

  20. I’m Here for Class Mr. Stillwell.

  21. Where’s Mr. Stillwell?

  22. Do Not Touch HCN H2S

  23. Stink Die Or

  24. Stink And Die

  25. Do Not Touch HCN H2S

  26. Do Not Touch H2S 34 amu HCN 27 amu

  27. Homework • Worksheet #34 “Temperature and Particle Motion”

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