1. AL Chemistry
Write an essay on factors which affect the rate of reactions and discuss the uses of kinetic studies.
p. 1

2. AL Chemistry
Write an essay on factors which affect the rate of reactions and discuss the uses of kinetic studies.
p. 1

3. AL Chemistry
# Guidelines #
0. Introduction: Kinetics is influenced by many experimental conditions (factors)
Part A: Factors affecting Rate of Reaction
Part B: Uses of Kinetic Studies
p. 2

4. (a) Collision Theory [velocity, K.E. of molecules]
AL Chemistry
A1. Temperature
(a) Collision Theory [velocity, K.E. of molecules] EA
(b) M. B. Distribution
(c) Arrhenius eqn. (EA)
p. 3

5. chance of effective collisions 
AL Chemistry
A2. Concentration
concentration 
freq. of collisions 
chance of effective collisions 
p. 4

6. for reactions involving gases only
AL Chemistry
A3. Pressure
for reactions involving gases only
(solid & liquid are not compressible)
pressure , no. of eff. collisions 
p. 5

7. (b) new pathway with lower EA
AL Chemistry
A4. Catalyst
(a) definition
(b) new pathway with lower EA
(c) M. B. Distribution
p. 6

8.  e.g. marble chips VS powdered CaCO3
AL Chemistry
A5. Other Factors
(a) surface area
 state of subdivision
 e.g. marble chips VS powdered CaCO3
(b) light
 photosynthesis
 silver salt & photographic film
p. 7

9. B1. Industry maximum yield minimum raw materials minimal fuel
AL Chemistry
B1. Industry
Optimization of Industrial Production of Chemicals
maximum yield
minimum raw materials
minimal fuel
shortest time
p. 8

10. (a) deterioration of food
AL Chemistry
B2. Society
Slow down unwanted reactions
(a) deterioration of food
(b) rusting
p. 9

11. B3. Archaeological Investigation
AL Chemistry
B3. Archaeological Investigation
Carbon-14 dating of Fossil and Prehistorical Remains
(radioactive decay: first order reaction)
p. 10

12. B4. Studying Reaction Mechanism
AL Chemistry
B4. Studying Reaction Mechanism
rate equation
 deduce the species involved in r.d.s.
 species involved in formation of T.S.
 molecularity of reaction
 e.g. SN1 or SN2
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