Cooling of a hot body follows first-order kinetics. K = 0.04 s^-1. [ln 2 = 0.7, ln(323/25) = 2.6] — Chemical Kinetics Chemistry Question

💡 Solution & Explanation

(a) 596 K to 298 K: ratio=2, t = ln2/0.04 = 17.5 s (correct). (b) 1192 K to 298 K: ratio=4, t = ln4/0.04 = 35 s (correct).