Chemical equilibrium

Foundational concepts and terms

1. Reaction types 3'12"

2. Dynamic equilibrium 7'49"

3. Direction equilibrium lies 10'00"

4. Equilibrium constant K_c 2'40"

5. Effects of initial and final concentrations on K_c 2'04"

Disturbing equilibrium by applying stress by changing

1. Reactant concentration 4'55"

2. Product concentration 3'11"

3. Pressure 2'38"

4. Heat 6'22"

5. Catalysts 2'43"

6. The Haber Process 5'52"

Stoichiometry worked examples

1. Nov 2019 P2 Q 6:

• Part 1 (6.1&6.2) 14'31"

• Part 2 (6.3&6.4) 5'12"

2. Feb 2017 15'17"

3. Mpumalanga Sept 2017:

• Qu 6.1 3'34"

• Qu 6.2 22'00"

• North West Sept 2017 14'49"