PERFORMANCE OBJECTIVES / Chem. B1A - Dr. Daniel 

Chapter 4 – Chemical Reactions

 At the end of this unit you should be able to:

1.      Define electrolytes and nonelectrolytes in turns of electrical conductivity in water and the particles produced when a compound dissolves in water.  Define strong and weak electrolytes and strong and weak acids and bases. 

 

2.      Show the dissolved species from dissolving strong, weak, or nonelectrolytes with a chemical equations or drawing showing the dissolved ions and/or molecules.

 

3.      Given a solubility table, predict the products of a metathesis reaction where a precipitate is produced.  Write the molecular, ionic, and net ionic equation for these reactions.

 

4.      Describe the properties of acids and bases.  Use the Bronstead-Lowery definition of acids and bases to identify which reactant in a reaction is an acid or base.  Know which acids and bases are strong and which are weak, and write the chemical equation showing how these compounds react with and dissolve in water. 

 

5.      Predict the products of a neutralization reaction.  Write the balanced molecular, ionic, and net ionic equation for these reactions.

 

6.      Define spectator ion.  Identify spectator ions in precipitation, acid/base, and oxidation/reduction reactions.

 

7.      Determine the oxidation numbers for each element in a compound or polyatomic ion.  Determine if a reaction is an oxidation-reduction (redox) reaction.  Identify which substance is being oxidized and reduced, and which is the oxidizing agent (oxidant) and which is the reducing agent (reductant).

 

8.      Use the activity series to predict the products in a redox reaction.  Use half reactions to balance redox reactions.

 

9.      Calculate the requested factor in a molarity problem, such as molarity, mass or moles of solute, molar mass, or volume of solution.

 

10. Determine the molarity of ions given the molarity of an electrolyte, (for example, give the molarity of Mg+2 (aq) and Br- (aq) from a 2.0 M MgBr2 solution).

 

11. Calculate and describe how to dilute a given initial concentration to a given final volume and concentration.

 

12. Solve a gravimetric or volumetric analysis problems.