The average kinetic energy of a collection of gas particles isdirectly

# The average kinetic energy of a collection of gas

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The average kinetic energy of a collection of gas particles is directly proportional to the kelvin temperature of the gas. Kinetic energy = ½ (mass)(velocity) 2 kelvin temperature
Chem 1035 Chapter 5 6 of 39 Distribution of Molecular Speeds of N 2 at different temperatures
Chem 1035 Chapter 5 7 of 39 Gas Pressure Pressure = Atmospheric pressure: Units of Pressure:
Chem 1035 Chapter 5 8 of 39 Mercury Barometer: Device used to measure atmospheric pressure
Chem 1035 Chapter 5 9 of 39
Chem 1035 Chapter 5 10 of 39 Gas Laws: Relationships Between Gas Pressure, Volume, Temperature, and Moles Pressure vs. Volume: Boyle's Law : At constant temperature, the volume of a fixed mass of gas is to the pressure. P V V 1/P
Chem 1035 Chapter 5 11 of 39 Sample data: Volume (mL) Pressure (torr) 1 1 (torr ) Pressure P × V (torr∙mL) 20.0 780 0.00128 1.56×10 4 15.0 1038 0.000963 1.56×10 4 10.0 1560 0.000641 1.56×10 4 5.0 3112 0.000321 1.56×10 4
Chem 1035 Chapter 5 12 of 39
Chem 1035 Chapter 5 13 of 39 Boyle’s Law:
Chem 1035 Chapter 5 14 of 39 Volume vs. Temperature : Charles' Law: At constant pressure, the volume of a fixed mass of gas is to the Kelvin temperature. Volume (L) He CH 4 H 2 O H 2 Absolute zero: T (K)
Chem 1035 Chapter 5 15 of 39 Sample Data:
Chem 1035 Chapter 5 16 of 39
Chem 1035 Chapter 5 17 of 39 Pressure vs. Temperature : Amonton's Law : At constant volume, the pressure of a fixed amount of gas is to the Kelvin temperature. Avogadro's Law : Equal volumes of different gases at the same temperature and pressure contain the same number of particles
Chem 1035 Chapter 5 18 of 39
Chem 1035 Chapter 5 19 of 39