Specific Heat of Water Practice Problems
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Questions and Answers

What type of solids have an orderly arrangement of particles and definite melting points?

  • Ionic Crystals
  • Amorphous Solids
  • Metals
  • Crystalline Solids (correct)
  • Which property of liquids is characterized by the stretching of the liquid surface due to a net downward motion force?

  • Viscosity
  • Vapor Pressure
  • Capillary Action
  • Surface Tension (correct)
  • What type of crystals include examples like sodium chloride (table salt) and diamond?

  • Metallic Crystals
  • Covalent Crystals
  • Ionic Crystals (correct)
  • Molecular Crystals
  • Which property reflects a liquid's resistance to flow?

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

    What is the equilibrium pressure of a vapor above its liquid or solid state called?

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

    Which type of solid lacks an orderly arrangement of particles and has no definite melting points?

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

    What is the main property that determines the boiling point of a liquid?

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

    What does the symbol 'H' represent in the context of Molar Heat of Vaporization?

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

    Why is water known as the universal solvent?

    <p>It can dissolve a large variety of chemical substances</p> Signup and view all the answers

    What property allows water to absorb a large amount of heat with only a slight rise in temperature?

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

    Which phase change requires a high heat of vaporization if intermolecular attractions are strong?

    <p>Liquid to gas</p> Signup and view all the answers

    What factor influences the heat of vaporization in liquids with strong intermolecular attraction?

    <p>Intermolecular attraction strength</p> Signup and view all the answers

    What is the specific heat of water in J/kg°C?

    <p>4.184 J/g°C</p> Signup and view all the answers

    If a hot water bottle releases 756,000 J of thermal energy while cooling from 80°C to 20°C, what is the mass of the water in the hot water bottle?

    <p>75 kg</p> Signup and view all the answers

    Why does water have a higher boiling point compared to other compounds similar in mass?

    <p>Due to strong intermolecular forces and hydrogen bonding</p> Signup and view all the answers

    Why does solid water (ice) float on liquid water?

    <p>Molecules in solid water are farther apart than in liquid water</p> Signup and view all the answers

    What happens to the particles of a substance when it is heated?

    <p>Particles move faster with increasing kinetic energy</p> Signup and view all the answers

    What is the main factor that determines the phase changes of water?

    <p>Type of intermolecular forces present</p> Signup and view all the answers

    What happens when heat is added to a substance?

    <p>Kinetic energy decreases and physical appearance changes</p> Signup and view all the answers

    What occurs when heat is removed or released?

    <p>Kinetic energy decreases and particles slow down</p> Signup and view all the answers

    What is represented by a Heating Curve?

    <p>The relationship among solid, liquid, and gaseous states</p> Signup and view all the answers

    What does a Phase Diagram illustrate?

    <p>The relationship among states based on pressure and temperature</p> Signup and view all the answers

    How does the removal of heat affect particle motion?

    <p>Particles slow down and form forces of attraction</p> Signup and view all the answers

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