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13.10 Kinetic Theory and Temperature Assumptions :

13.10 Kinetic Theory and Temperature Assumptions : 1. The number of molecules in the gas is large and they are far apart. 2. The molecules obey Newton’s laws of motion but move randomly. 3. The molecules interact only by short-range forces during elastic collisions.

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13.10 Kinetic Theory and Temperature Assumptions :

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  1. 13.10 Kinetic Theory and Temperature Assumptions: • 1. The number of molecules in the gas is large and they are far apart. • 2. The molecules obey Newton’s laws of motion but move randomly. • 3. The molecules interact only by short-range forces during elastic collisions. • 4. The molecules make elastic collisions with container walls. • 5. The gas is pure – all molecules are identical APHY201

  2. 13.10 Kinetic Theory and Temperature APHY201

  3. 13.10 Kinetic Theory and Temperature • Compare to ideal gas law: PV = NkT APHY201

  4. 13.11 Kinetic Theory and Temperature APHY201

  5. 13.11 Kinetic Theory and Temperature • Activation energy and chemical reactions APHY201

  6. 13.11 Kinetic Theory and Temperature Planetary atmospheres APHY201

  7. 13.12 Real Gases and Changes of Phase • Same gas at different temperatures • The ideal gas law prediction and a real gas • Critical point APHY201

  8. 13.12 Real Gases and Changes of Phase Water Carbon Dioxide APHY201

  9. In class: Problems 47, 92 • Other problems ↓ 55. The temperature of the nitrogen gas is found from the ideal gas law, and then the rms speed is found from the temperature. APHY201

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