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AL Chemistry

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

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AL Chemistry

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

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

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

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

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

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

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

  12. 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 p. 11

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