a) State the Second Law of Thermodynamics in terms of entropy. b) Define the term "Gibbs Free Energy". What is the condition for spontaneity in terms of Gibbs free energy at constant temperature and pressure? c) What is meant by "order of a reaction"? Can a reaction have a fractional order? d) State the difference between a "reversible" and an "irreversible" process. e) Define the term "phase" as used in the Phase Rule. f) Write the expression for the rate constant of a first-order reaction. g) What is the significance of the term 'collision frequency' in the collision theory of reaction rates?
$1 \times 5 = 5$
: Focuses on stereochemistry, reaction mechanisms (carbocations, carbanions), and aromaticity.
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