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5 Written questions

5 Matching questions

  1. molar solution
  2. volume percent (solution)
  3. heterogeneous
  4. homogeneous
  5. law of multiple proportions
  1. a The volume of solute in 100 mL of solution.
  2. b Mater without a uniform composition-- having two or more components or phases.
  3. c A solution with one mole of solute per mole of solution.
  4. d Mater that has uniform properties throughout.
  5. e Atoms of two or more elements may combine in different ratios to produce more than one compound.

5 Multiple choice questions

  1. An atom of an element that has the same atomic number but different atomic mass.
  2. A solid that contains water molecules as part of its crystalline structure.
  3. Small discrete increments of energy.
  4. An agreed upon system of measurements by scientists.
  5. The ability of a solute to dissolve in a solvent.

5 True/False questions

  1. hydrogen bondThe intermolecular force between bonded hydrogens.

          

  2. reactantA chemical substance entering into a chemical reaction.

          

  3. VSEPRValence-shell electron-pair repulsion; a simple model for predicting the shapes of molecules.

          

  4. Gay-Lussac's lawThe shape of the surface of a liquid when placed in a glass cylinder.

          

  5. mixtureA unit of pressure (1 torr = 1 mm Hg).

          

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