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Kinetic Theory Contents: Concept 0 Temperature Thermal Expansion (Qualitative)

Kinetic Theory Contents: Concept 0 Temperature Thermal Expansion (Qualitative). (. ). ( ). (. ). ( ). ( ). ( ). Cold = less E k. Hot = more E k. (((. ))). (( )). ((. )). (( )). ( ). ( ). Kinetic Theory 101.

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Kinetic Theory Contents: Concept 0 Temperature Thermal Expansion (Qualitative)

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  1. Kinetic Theory • Contents: • Concept 0 • Temperature • Thermal Expansion (Qualitative)

  2. ( ) ( ) ( ) ( ) ( ) ( ) Cold = less Ek Hot = more Ek ((( ))) (( )) (( )) (( )) ( ) ( ) Kinetic Theory 101 The higher the temperature, the faster the molecules Temperature is proportional toaverage kinetic energy Average(1/2mv2) = 3/2kT - (not in data packet) Demo - show molecular motion device TOC

  3. Temperature Water Boil Freeze Celsius 100 oC 0 oC Fahren. 212 oF 32 oF 0 oF Kelvins 373.15 K 273.15 K 0 K Not degrees K What 0 oF and 0 K mean Formulas for conversion Celsius: 30,20,10,0 TOC

  4. Temperature 1 | 2 | 3 TOC

  5. What is 37 oC in Kelvins? Kelvins = 273.15 + 37 = 310.15 K = 310. K :-) W 310. K

  6. What is 77.35 K in oC 273.15 K = 0 oC So it would be 77.35 - 273.15 = -195.80 oC (Boiling point of Liquid N2) W -195.80 oC

  7. What is 128 oC in Kelvins? Kelvins = 273.15 + 128 = 401.15 K = 401 K :-) W 401 K

  8. What is 38 oF in oC • it’s 6 oF above freezing • 6*5/9 = 3.3 oC W 3.3 oC

  9. ( ) ( ) ( ) ( ) ( ) ( ) Cold = less Ek Hot = more Ek ((( ))) (( )) (( )) (( )) ( ) ( ) Thermal Expansion Hotter is bigger Demo - ball and hoop, bi-metal TOC

  10. Railroad rails Non-Pyrex glassware Hiroshima exfoliation of stone buildings

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