Exploring Vapor Pressure

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Questions and Answers

Which of the following explains why the vapor pressure of a solution is higher than that of the pure solvent?

  • The solute particles increase the vapor pressure of the solution. (correct)
  • The solute particles decrease the freezing point of the solution.
  • The solute particles increase the boiling point of the solution.
  • The presence of solute particles lowers the vapor pressure of the solution.

Which statement best describes the effect of solute particles on the vapor pressure of a solution?

  • Solute particles have no effect on the vapor pressure of a solution.
  • Solute particles increase the vapor pressure of a solution. (correct)
  • Solute particles decrease the vapor pressure of a solution.
  • Solute particles only affect the boiling point of a solution.

Why is the vapor pressure of a solution higher than that of the pure solvent?

The presence of solute particles in a solution increases the number of particles at the surface, leading to more collisions and increased vapor pressure.

Which of the following is NOT a reason why the vapor pressure of a solution is higher than that of the pure solvent?

<p>The presence of solute particles increases the boiling point of the solution. (D)</p> Signup and view all the answers

What is the effect of solute particles on the vapor pressure of a solution?

<p>Solute particles in a solution disrupt the intermolecular forces between the solvent molecules, making it easier for them to escape and increasing the vapor pressure.</p> Signup and view all the answers

How does the presence of solute particles in a solution affect the vapor pressure?

<p>The presence of solute particles decreases the effective concentration of the solvent at the surface, resulting in a higher vapor pressure compared to the pure solvent.</p> Signup and view all the answers

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