Temperature and Kinetic Energy

1
Temperature and Kinetic Energy

• Contemporary Chemistry
• Mrs. Coyle

2
Temperature

• A measure of how hot or how cold an object is.
• A measure of the average kinetic energy of
  molecules.

3
Simulation

• http//www2.biglobe.ne.jp/norimari/science/JavaAp
  p/Mole/e-gas.html

4
Kinetic Energy

• Depends on the speed, and the mass of the
  particle.
• Example of speed of a gas particle speed of
  oxygen molecule at 25oC 443 m/s

5
Temperature Scales

• Freezing Point of Water Boiling Point of Water
• Celsius 0 100
• Kelvin 273 373
• Fahrenheit 32 212

6
Standard Temperature

• 273K 0 0C

7
Temperature Conversions

• K273C (absolute zero 0 K)
• F(9/5)C 32