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5 Written questions

5 Matching questions

  1. volatile
  2. equilibrium
  3. phase diagram
  4. condensation
  5. fluid
  1. a A dynamic condition in which two opposing changes occur at equal rates in a closed system
  2. b Substance that can flow and take the shape of its container
  3. c Process by which a gas changes to a liquid
  4. d graph of pressure versus temperature that shows the conditions under which the phases of a substance exist
  5. e Liquids that evaporate readily

5 Multiple choice questions

  1. temperature at which the solid and liquid are in equilibrium at 1 atm
  2. change of state from a solid directly to a gas
  3. Process by which a liquid or solid changes to a gas
  4. pressure exerted by a vapor in equilibrium with its corresponding liquid at a given temperature
  5. conversion of a liquid to a vapor within the liquid as well as at its surface

5 True/False questions

  1. melting pointTemperature at which a solid becomes a liquid


  2. amorphous solidA solid in which the particles are arranged randomly


  3. capillary actionAttraction of the surface of a liquid to the surface of a solid


  4. diffusionSpontaneous mixing of the particles of two substances caused by their random motion


  5. evaporationProcess by which a liquid or solid changes to a gas