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Chapter 4.4(charles' law)
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  • 1. CHARLE’S LAW
  • 2. What will happento the volume ofthe trapped airinside thiscontainer??- increases- decreases-same????
  • 3. Relationship Between V and T When the temperature increases because of sun:  The molecules move faster  The average kinetic energy also increases Therefore, the molecules will push the cylinder upward.
  • 4. Charles’ Law Charles’ Law state for constant mass and pressure:  “Volume directly proportional to its absolute temperature”
  • 5. Charles’ Law In mathematical equation:  V = constant T V1 = V2  So we can conclude: T1 T2 Must use in Kelvin
  • 6. Experiment of heated
  • 7. Volume against Temperature (⁰C) Volume O -273⁰C 100⁰C ɵ/⁰C
  • 8. Volume against Temperature (K) Volume Now we get!! V directly proportional to Absolute Temperature O ɵ/K
  • 9. Absolute Zero Temperature Absolute Zero temperature can be define as The lowest possible temperature that is -273 ⁰C or 0K
  • 10. Convert Celsius to Kelvin ɵ⁰C is equal with (ɵ + 273) K Example: What is 27⁰C in Kelvin?? 300K
  • 11. Lets see physics in action!!! Lets Watch video >>>
  • 12. Example
  • 13. Solution
  • 14. Example 3 ? 3 V1 V2 = T1 T2 1.2 1.26 = (24+273) T2 T2 = 311.85 K = 38.85 ⁰C
  • 15. Closure What is the relationship between temperature with Volume?? What is absolute zero define as?? What is Charles’ Law Formula??