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Kinetic Molecular Theory

Kinetic Molecular Theory. an excellent example of the link between the molecular and the macroscopic. NOTE: Figures taken from Figure 11.20 of Hill text. The Kinetic Molecular Theory (KMT) A Key to Understanding How Molecular  Macroscopic. States of matter. Solid

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Kinetic Molecular Theory

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  1. Kinetic Molecular Theory an excellent example of the link between the molecular and the macroscopic NOTE: Figures taken from Figure 11.20 of Hill text.

  2. The Kinetic Molecular Theory (KMT)A Key to Understanding How Molecular  Macroscopic States of matter • Solid • Particles packed closely together, in an ordered fashion • May only vibrate • Liquid • Particles close together, in a more random fashion • Particles may move past each other, but attracted to each other • Gas • Particles far apart • Particles may move past each other, NOT really attracted to each other

  3. The Kinetic Molecular Theory (KMT)A Key to Understanding How Molecular  Macroscopic • Solid • Rigid (does not flow –maintains its shape) • Definite Volume (doesn’t spontaneously change) • Not compressible (can’t squish it) States of Matter – Macroscopic Properties

  4. The Kinetic Molecular Theory (KMT)A Key to Understanding How Molecular  Macroscopic • Liquid • Flows – takes shape of container • Definite Volume (doesn’t spontaneously change) • Somewhat compressible (can squish it a little) States of Matter – Macroscopic Properties

  5. The Kinetic Molecular Theory (KMT)A Key to Understanding How Molecular  Macroscopic • Gas • Flows – takes shape of container • No Definite Volume (fills any container) • Compressible (can squish it) States of Matter – Macroscopic Properties

  6. The Kinetic Molecular Theory (KMT)A Key to Understanding How Molecular  Macroscopic • Role of temperature • For a given material, higher the temperature, faster particles (on avg) are moving

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