Ideal Gas Behavior

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Questions and Answers

What is a key characteristic of ideal gas molecules?

  • They occupy significant space individually (correct)
  • They possess strong intermolecular forces
  • They collide inelastically
  • They lose energy when colliding with other molecules

Which of the following best describes the energy behavior of molecules in ideal gases?

  • Energy is conserved during elastic collisions (correct)
  • Energy is used up in overcoming intermolecular forces
  • Energy is gained upon collision
  • Energy is lost upon collision

What distinguishes ideal gases from real gases in terms of intermolecular forces?

  • Real gases do not exhibit resistance to flow
  • Ideal gases have negligible intermolecular distances
  • Real gases have larger individual molecule sizes
  • Ideal gases have strong intermolecular attractions (correct)

Which of the following properties are governed by the ideal gas law?

<p>Volume, temperature, and pressure (B)</p> Signup and view all the answers

Why must temperature always be in Kelvins when using the ideal gas law formula?

<p>Because zero Kelvin represents absolute zero (B)</p> Signup and view all the answers

What aspect of gas particles is taken into account by adjusting the volume in the Van Der Waals Equation?

<p>Molecular size (A)</p> Signup and view all the answers

Which constant in the Van Der Waals Equation describes the volume of 1 mole of gas?

<p>b (A)</p> Signup and view all the answers

What does the constant 'a' represent in the Van Der Waals Equation?

<p>Inter-particle attraction (A)</p> Signup and view all the answers

In the comparison between real and ideal gases, what type of collisions do ideal gas particles exhibit?

<p>Elastic (C)</p> Signup and view all the answers

What distinguishes a real gas from an ideal gas according to the text?

<p>The occupation of volume by individual molecules (B)</p> Signup and view all the answers

What is the main reason why the ideal gas law fails at high pressures and low temperatures?

<p>The intermolecular forces become too significant to neglect. (B)</p> Signup and view all the answers

Which scientist is credited with first recognizing the ideal gas assumptions?

<p>Johannes Van der Waals (B)</p> Signup and view all the answers

What is a key difference between real gases and ideal gases?

<p>Real gases have inelastic collisions, while ideal gases have elastic collisions. (A)</p> Signup and view all the answers

Under what conditions is the ideal gas law applicable?

<p>When gas density is low and inter-particle attractions are negligible. (C)</p> Signup and view all the answers

Why do high pressure and low temperature cause deviations from the ideal gas law?

<p>Molecules experience significant intermolecular interactions. (A)</p> Signup and view all the answers

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