Chapter 11 Vocab

Home > Flashcards > Print Preview

The flashcards below were created by user Gesyca_is_joy on FreezingBlue Flashcards. What would you like to do?


  1. Compressibility
    A measure of the volume change resulting from a pressure change
  2. Thermal Expansion
    A measure of the volume change resulting from a temperature change
  3. Kinetic Molecular Theory of Matter
    A set of Five statements used to explain the physical behavior of the three states of matter
  4. Kinetic Molecular Theory of Matter
    Statement #1:
    Matter is ultimately composed of tiny particles (atoms, molecules or ions) that have definite and characteristic sizes that do not change
  5. Kinetic Molecular Theory of Matter
    Statement #2:
    The particles are in constant random motion and therefore possess kinetic energy
  6. Kinetic Energy
    Energy that matter possesses because of particle motion
  7. Kinetic Molecular Theory of Matter
    Statement #3:
    The particles interact with each other through attractions and repulsions and therefore possess potential energy
  8. Potential Energy
    Stored energy that a particle possess as a result of its position, condition and/or composition
  9. Kinetic Molecular Theory of Matter
    Statement #4:
    The kinetic energy (velocity) of the particles increases as the temperature is increased.
  10. Kinetic Molecular Theory of Matter
    Statement #5:
    The particles in a system transfer energy to each other through elastic collisions
  11. Solid
    a physical state characterized by a dominance of potential energy (cohesive forces) over kinetic energy (disruptive forces)
  12. Properties of a Solid
    • Definite Volume, Definite Shape
    • High Density
    • Small Compressibility
    • Very Small Thermal Expansion
  13. Liquid
    a physical state characterized by potential  energy (cohesive forces) and kinetic energy (disruptive forces) of about the same magnitude
  14. Properties of a Liquid
    • Definite Volume, Indefinite Shape
    • High Density
    • Small Compressibility
    • Small Thermal Expansion
  15. Gas
    a physical state characterized by a dominance of kinetic energy (disruptive forces) over potential energy (cohesive forces)
  16. Properties of a Gas
    • Indefinite Volume, Indefinite Shape
    • Low Density
    • Large Compressibility
    • Moderate Thermal Expansion
  17. Change of State
    a process in which a substance is transformed from one physical state to another physical state
  18. Endothermic Change of State
    A change of state that requires an absorption of heat
  19. Exothermic Change of State
    A change of state that requires heat energy to be given up
  20. Joule
    The base unit for energy in the metric system
  21. Specific Heat
    the amount of heat energy needed to raise the temperature of one gram of a substance in a specific physical state by one degree Celsius
  22. Heat Capacity
    the amount of heat energy needed to raise the temperature of a given quantity of a substance in a specific physical state by one degree Celsius
  23. Heat of Fusion
    the amount of heat energy absorbed in the conversion of one gram of a solid to a liquid at the solid's melting point.
  24. Heat of Solidification
    the amount of heat energy evolved in the conversion of one gram of a liquid into a solid at the liquid's freezing point.
  25. Heat of vaporization
    the amount of heat energy absorbed in the conversion of one gram of liquid to a gas at the liquid's boiling point
  26. Heat of condensation
    The amount of heat evolved in the conversion of one gram of gas to a liquid at the liquid's boiling point
  27. Evaporation
    the process by which molecules escape from a liquid phase to the gas phase
  28. Vapor
    the gaseous state of a substance at a temperature and pressure at which the substance is normally a liquid or a solid.
  29. Equilibrium State
    A situation in which two opposite processes take place at equal rates
  30. Vapor Pressure
    the pressure exerted by a vapor above a liquid when the liquid and vapor are in equilibrium
  31. Volatile Substance
    a substance that readily evaporates at room temperature because of high vapor pressure
  32. Boiling
    a special form of evaporation in which conversion from the liquid to the gaseous state occurs within a body of liquid through bubble formation
  33. Boiling Point
    the temperature of a liquid at which the vapor pressure of the liquid becomes equal to the atmospheric pressure exerted on the liquid
  34. Normal Boiling Point
    the temperature of a liquid at which the liquid boils under a pressure of 760 mm Hg
  35. Intermolecular Force
    an attractive force that acts between a molecule and another molecule
  36. Dipole-Dipole Interaction
    An intermolecular attractive force that occurs between polar molecules
  37. Hydrogen Bond
    An extra strong dipole-dipole interaction involving a hydrogen atom covalently bonded to a small, very electronegative atom (F, O, N) and an unshared pair of atoms on another very electronegative atom (F, O, N).
  38. London Force
    A weak, temporary dipole-dipole interaction that occurs between an atom or molecule (polar or non polar) and another atom or molecule (polar or non polar).
  39. Ion-dipole interaction
    an intermolecular attractive force between an ion and a polar molecule.
  40. Ion-Ion Interaction
    an intermolecular attractive force between oppositely charges ions present in liquid state ionic compounds
  41. Surface Tension
    A measure of the inward force on the surface of a liquid caused by unbalanced molecular forces

Card Set Information

Author:
Gesyca_is_joy
ID:
269271
Filename:
Chapter 11 Vocab
Updated:
2014-04-06 12:51:08
Tags:
CHEM 1405
Folders:
Chemistry
Description:
States of Matter
Show Answers:

What would you like to do?

Home > Flashcards > Print Preview