5. (a) Derive the Clausius-Clapeyron equation . (5%)

(b) If a first-order reaction has an activation energy of 104,600 J mol-1 and a pre-exponentioalfactor A of 5  1013 s-1, at what temperature will the reaction have a half-life of (a) 1 min and (b)30 days? (10%)