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5 Written questions

5 Matching questions

  1. phase diagram
  2. fluid
  3. melting
  4. diffusion
  5. equilibrium
  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 Physical change of a solid to a liquid by adding of heat
  4. d graph of pressure versus temperature that shows the conditions under which the phases of a substance exist
  5. e Spontaneous mixing of the particles of two substances caused by their random motion

5 Multiple choice questions

  1. Solidification
  2. Process by which a liquid or solid changes to a gas
  3. change of state from a solid directly to a gas
  4. Any part of a system that has uniform composition and properties
  5. Change of state from a gas directly to a solid

5 True/False questions

  1. volatilePhysical change of a solid to a liquid by adding of heat

          

  2. crystalline solidSubstance in which the particles are arranged in an orderly, geometric, repeating pattern

          

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

          

  4. evaporationProcess by which particles escape from the surface of a nonboiling liquid and enter the gas state

          

  5. ideal gasA hypothetical gas that perfectly fits all the assumptions of the kinetic-molecular theory