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5 Written questions

5 Matching questions

  1. solute
  2. solvent
  3. entropy
  4. dynamic equilibrium
  5. empirical formula
  1. a the dissolved substance in a solution
  2. b a chemical formula showing the ratio of elements in a compound rather than the total number of atoms
  3. c result of diffusion where there is continuous movement of particles but no overall change in concentration
  4. d a measure of the disorder of a system
  5. e a liquid substance capable of dissolving other substances

5 Multiple choice questions

  1. not saturated
  2. a mixture in which different materials can be distinguished easily
  3. how well a substance allows electricity to flow through it.
  4. energy change accompanying the hydration of a mole of gaseous ions
  5. a homogeneous mixture of two or more substances

5 True/False questions

  1. dilutionweakening (reducing the concentration) by the addition of water or a thinner

          

  2. graduated pipetglass; common sizes are 10mL, 25mL; used to measure solution in volumes; less accurate than a volumetric pipet.

          

  3. dilutethe dissolved substance in a solution

          

  4. dissolvingthe process of a material becoming incorporated uniformly into another, or of two materials mixing together evenly

          

  5. homogeneous mixturea mixture in which substances are evenly distributed throughout the mixture