Page 292 - SUBSEC October 2017_Neat

UNIT 1
MODULE 2: KINETICS AND EQUILIBRIA (cont’d)

SPECIFIC OBJECTIVES EXPLANATORY NOTES SUGGESTED PRACTICAL
ACTIVITIES

Principles of Chemical Equilibrium cont’d

Students should be able to:

2.5. state Le Chatelier's
principle;

2.6. apply Le Chatelier's Include reference to the
principle to explain the characteristics of a system
effects of changes in in dynamic equilibrium.
temperature, concentration
and pressure on a system in
equilibrium; and,

2.7. interpret how changes in Include references to the Perform calculations based
concentration, pressure, Haber Process and the on the profitability of these
temperature or the Contact Process. processes on
presence of a catalyst may manufacturing of
affect the value of the commercial commodities.
equilibrium constant.

3. Acid/Base Equilibria

Students should be able to:

3.1. explain the differences in
behaviour of strong and
weak acids and bases, using
Bronsted-Lowry theory;

3.2. define the terms K a , pH, pK a ,
and pK b , K w and pK w ;

3.3. perform calculations Quadratic equations are
involving pH, pOH, Ka, pKa Kw not required.
and pKw, Kb and pKb;

3.4. describe the changes in Include a study of titration
pH during acid/base curves.
titrations;

3.5. explain what is meant by
the pH range of indicator;
and,

CXC A11/U2/17 23