In the van der Waals equation, what do the constants 'a' and 'b' represent?

Practice Questions

Q1
In the van der Waals equation, what do the constants 'a' and 'b' represent?
  1. Pressure and volume
  2. Attraction and volume
  3. Temperature and pressure
  4. Volume and temperature

Questions & Step-by-Step Solutions

In the van der Waals equation, what do the constants 'a' and 'b' represent?
  • Step 1: Understand that the van der Waals equation is used to describe the behavior of real gases.
  • Step 2: Recognize that 'a' is a constant that represents the strength of the attractive forces between gas molecules.
  • Step 3: Realize that these attractive forces can affect how the gas behaves, especially at high pressures or low temperatures.
  • Step 4: Understand that 'b' is another constant that represents the volume occupied by the gas molecules themselves.
  • Step 5: Know that this volume is important because it affects how much space is available for the gas to move around.
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