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# Van der Waals Equation

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Sections
Pressure Units
The Ideal Gas Law
The Ideal Gas Law Derivations
The Ideal Gas Law Applications
Chemistry Gas Laws
Chemistry Gas Laws: Combined Gas Law
Mole Fraction
Partial Pressure
The Ideal Gas Law: Molar Mass
The Ideal Gas Law: Density
Gas Stoichiometry
Standard Temperature and Pressure
Effusion
Root Mean Square Speed
Kinetic Energy of Gases
Maxwell-Boltzmann Distribution
Velocity Distributions
Kinetic Molecular Theory
Van der Waals Equation
Boyle's Law (IGNORE)
Charles Law (IGNORE)
Ideal Gas Law (IGNORE)

The Van der Waals Equation is used when dealing with real, non-ideal gases.

###### Understanding the Van der Waals Equation

Concept #1: Van der Waals Equation

Concept #2: Van der Waals Theory

Example #1: Using the Van der Waals equation, determine the pressure of 20.0 g oxygen gas in 250 mL graduated flask when the temperature is 50 ºC.

Practice: Which gaseous compound is expected to have the largest value for the Van der Waals constant b?

a) O2

b) CH3CH3

c) HBr

d) S8

e) Ne