Notes on the Kinetic-Molecular Theory of Gases

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Notes on the Kinetic-Molecular Theory of Gases
Name
The kinetic-molecular theory of gases is based on the idea that
An ideal gas is
5 Assumptions of Kinetic-Molecular Theory
1.
2.
3.
4.
5.
Temperature Conversions between Kelvin and degrees Celsius
K=
Cī‚° =
Properties of a Gas
____________________ - a gas will completely fill any container it is in.
____________________ - gas particles, which are initially far apart can be crowded close together
____________________ - will be ~1/1000th the density of a solid or liquid phase
____________________ - gas particles glide easily past one another
____________________ - process of spreading out spontaneously to uniformly occupy a space
Illustrate and describe Effusion
Illustrate and describe Diffusion
Rate of Diffusion – depends on two main properties of the gas particles;
1) Size or mass of molecules 2) Temperature of molecules
Lighter and smaller gas particles will diffuse faster than heavier and larger particles.
_________________ molecules will diffuse faster than _________________ molecules.
Ideal Gas vs. Real Gas
Ideal gas - completely conforms to the Kinetic-Molecular theory
Real gas –
Ideal Gases
Real Gases
List properties that are special to each!!
4 Variables used to describe gases
1)
3)
2)
4)
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