Properties of Liquids: Lesson 3 Quiz
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Questions and Answers

What is surface tension?

  • The energy required to stretch or increase the surface of a liquid by a unit area (correct)
  • The force exerted by the weight of the air on a liquid's surface
  • The measure of a fluid's resistance to flow
  • The tendency of a liquid to rise in narrow tubes

    • What determines viscosity of a fluid?

  • Atmospheric pressure and temperature
  • Vapor pressure and boiling point
  • Strength of intermolecular force, shape of the molecule, and temperature (correct)
  • Cohesive force and adhesive force

    • Which factor results in high viscosity for a fluid?

  • Low intermolecular force
  • Low kinetic energy
  • High temperature
  • Large molecules (correct)

    • What is vapor pressure?

    <p>The constant pressure established when the exiting evaporation rate is equal to the entering condensation rate</p> Signup and view all the answers

    What does capillary action refer to?

    <p>The tendency of a liquid to rise in narrow tubes or be drawn into small openings</p> Signup and view all the answers

    What is atmospheric pressure?

    <p>The pressure exerted by the weight of the air on a surface</p> Signup and view all the answers

    What does ΔHvap represent?

    <p>The energy required to vaporize 1 mole of a liquid at a given temperature</p> Signup and view all the answers

    Which substance has the highest molar heat of vaporization?

    <p>Water</p> Signup and view all the answers

    What is the heat released when 1 mole of a gas condenses called?

    <p>Molar heat of condensation</p> Signup and view all the answers

    What type of solids have distinct melting points and are anisotropic?

    <p>Molecular Solids</p> Signup and view all the answers

    Which type of solid is composed of oppositely-charged ions linked together by ionic bonds?

    <p>Ionic Solids</p> Signup and view all the answers

    What type of solid has large atoms causing the nucleus to lose strong hold on the valence electrons?

    <p>Metallic Solids</p> Signup and view all the answers

    What is the basic repeating structural unit of a crystalline solid called?

    <p>Unit cell</p> Signup and view all the answers

    What is the number of atoms surrounding an atom in a crystal lattice known as?

    <p>(ΔH) Coordination number</p> Signup and view all the answers

    What property of liquids is a measure of a fluid’s resistance to flow?

    <p>Viscosity</p> Signup and view all the answers

    Which factor contributes to high viscosity for a fluid?

    <p>High temperature</p> Signup and view all the answers

    What determines the surface tension of a liquid?

    <p>Strength of intermolecular force</p> Signup and view all the answers

    Which property refers to the tendency of a liquid to rise in narrow tubes or be drawn into small openings?

    <p>Capillary action</p> Signup and view all the answers

    What is the constant pressure established when the exiting evaporation rate is equal to the entering condensation rate known as?

    <p>Vapor pressure</p> Signup and view all the answers

    Which type of crystalline solid is characterized to be soft or deformable with low melting points?

    <p>Molecular Solids</p> Signup and view all the answers

    What is the coordination number in a crystal lattice?

    <p>The number of atoms surrounding an atom in a crystal lattice</p> Signup and view all the answers

    Which type of crystalline solid has no distinct melting points and atoms that are arranged in a rigid and orderly way?

    <p>Network Solids</p> Signup and view all the answers

    What is the heat released when 1 mole of a gas condenses called?

    <p>Molar heat of condensation</p> Signup and view all the answers

    What type of crystalline solid has large atoms causing the nucleus to lose strong hold on the valence electrons?

    <p>Metallic Solids</p> Signup and view all the answers

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