Ideal Gas Theory Overview
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Questions and Answers

Which type of gas molecules exhibit no intermolecular forces?

  • Both ideal and real gases
  • Ideal gases (correct)
  • Real gases
  • Neither ideal nor real gases
  • What is a key assumption about the size of ideal gas molecules?

  • They occupy a definite volume
  • They vary greatly in size
  • They are large in size
  • They have infinitesimal size (correct)
  • Which type of gas molecules have collisions with one another that are inelastic?

  • Both ideal and real gas molecules
  • Neither ideal nor real gas molecules
  • Ideal gas molecules
  • Real gas molecules (correct)
  • Which type of gas molecules are so far apart that they exhibit no intermolecular forces?

    <p>Ideal gas molecules</p> Signup and view all the answers

    What does the ideal gas law describe?

    <p>Relationship between pressure, temperature, number of moles, and volume for ideal gases</p> Signup and view all the answers

    Which statement is true about real gas molecules?

    <p>They occupy a volume in space and have intermolecular forces</p> Signup and view all the answers

    What is the key difference between ideal and real gas particles?

    <p>Ideal gas particles do not exhibit intermolecular forces, while real gas particles do</p> Signup and view all the answers

    What is the purpose of the Van der Waals equation?

    <p>To account for intermolecular forces and molecular size in real gases</p> Signup and view all the answers

    Why does the ideal gas law fail at high pressures and low temperatures?

    <p>Due to increased significance of intermolecular interactions</p> Signup and view all the answers

    Which scientist is associated with the modification of the ideal gas equation?

    <p>Johannes Diderik van der Waals</p> Signup and view all the answers

    What does the coefficient 'a' represent in the Van der Waals equation?

    <p>Magnitude of intermolecular forces between gas particles</p> Signup and view all the answers

    Why are coefficients 'a' and 'b' non-zero for real gases?

    <p>Due to the presence of intermolecular forces and molecular size in real gases</p> Signup and view all the answers

    What makes the pressure calculated using the Van der Waals equation lower than that calculated using the ideal gas equation?

    <p>Decreased attractive forces between gas particles</p> Signup and view all the answers

    In which conditions does the ideal gas law fail?

    <p>High pressures and low temperatures</p> Signup and view all the answers

    What is Johannes Diderik van der Waals known for?

    <p>Studies on gases near absolute zero</p> Signup and view all the answers

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