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Understanding Kinetic Molecular Theory and Boyle's Law: Class Agenda for April 30, 2013

On April 30, 2013, our class will focus on the Kinetic Molecular Theory and Boyle's Law. The agenda includes a bell ringer to stimulate participation, a review of key concepts, practice problems to solidify understanding, and a demonstration of Boyle's Law in action. By the end of the session, students will be able to explain the principles behind kinetic molecular theory and Boyle's Law, enhancing their grasp of gas behavior. Homework will be assigned to reinforce today's lessons.

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Understanding Kinetic Molecular Theory and Boyle's Law: Class Agenda for April 30, 2013

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  1. April 30, 2013 AGENDA: 1 – Bell Ringer & Part. Log 2 – CN: Kinetic Molecular Theory and Boyle’s Law 3 – Practice Problems 4 – Demo: Boyle’s Law 5 – Work Time Today’s Goal: Students will be able to explain kinetic molecular theory and Boyle’s Law. Homework Kinetic Molecular Theory and Boyle’s Law Work from Week 32 is due by Friday. Make up Week 32 Quiz by Friday.
  2. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 5 minutes!

  3. 4 MINUTES REMAINING…

  4. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 4 minutes!

  5. 3 MINUTES REMAINING…

  6. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 3 minutes!

  7. 2 MINUTES REMAINING…

  8. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 2 minutes!
  9. 1minute Remaining…
  10. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 1 minutes!!!
  11. 30 Seconds Remaining…
  12. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. 30 seconds!!!
  13. BELL-RINGER TIME IS UP!
  14. April 30, 2013 AGENDA: 1 – Bell Ringer & Part. Log 2 – CN: Kinetic Molecular Theory and Boyle’s Law 3 – Practice Problems 4 – Demo: Boyle’s Law 5 – Work Time Today’s Goal: Students will be able to explain kinetic molecular theory and Boyle’s Law. Homework Kinetic Molecular Theory and Boyle’s Law Work from Week 32 is due by Friday. Make up Week 32 Quiz by Friday.
  15. Tuesday, April 30 Objective: Students will be able to explain kinetic molecular theory and Boyle’s Law. Bell Ringer: Describe what happens to the volume of a balloon when you apply pressure to it by squeezing it. REVIEW
  16. Contrast Describe Explain Topic: Kinetic Molecular Theory & Boyle’s Law Date: 4/30/2013 Kinetic Molecular Theory of Gases: (Movement of Molecules) Gases are easily compressed. (They can take the shape of any container.) Gas particles move around randomly with no pattern. When gas particles collide, they do not lose energy. (They bump into each other and keep on moving.)  Because of these assumptions, predictions can be made about how gases will be affected by changes in temperature, pressure, and volume.
  17. Contrast Describe Explain Topic: Kinetic Molecular Theory & Boyle’s Law Date: 4/30/2013 Boyle’s Law = For a given amount of gas at a constant temperature, the VOLUME of the gas is inversely related to PRESSURE. So if: V ↑ = P ↓ V ↓ = P ↑ V α 1/P P α 1/V Constant Temperature Pressure Volume
  18. Topic: Kinetic Molecular Theory & Boyle’s LawDate: 4/30/2013 Variables & Units: P = Pressure (atm) (atm = atmospheres) V = Volume (L, mL) T = Temperature  constant Equation: P1V1 = P2V2
  19. Practice Problem A gas has an initial pressure of 5atm. The pressure was changed to 8atm and the volume became 10L. What was the starting volume of the gas? 1st Predict: If P↑, then V↓. 2nd Determine Variables: P1 = V1 = P2 = V2 = 3rd Calculate: P1V1 = P2V2 (5)(V1) = (8)(10) (5)V1 = 80 5 5 V1 = 80/5 V1 = 16L 5atm ? = x 8atm 10L
  20. Demonstrations of Boyle’s Law Stay Puft Marshmallow Man in a vacuum… http://www.youtube.com/watch?v=27yqJ9vJ5kQ What happens to lungs when diving underwater? Underwater demo: http://www.youtube.com/watch?v=t8wFIMbMJvs Lab explanation demo: http://www.youtube.com/watch?v=hXnkJNk45Ek Discussion: How do your lungs work?
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