Stearic Acid, Nature's Most Common Fatty Acid, Dimerizes When Dissolved

Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane: 2C₁₇H₃₅COOH ⇄ (C₁₇H₃₅COOH) ₂ ΔH°_rxn = −172 kJ
The equilibrium constant for this reaction at 28°C is 2900. Estimate the equilibrium constant at 38°C.

A) 4.7 × 10 ⁵
B) 2.6 × 10 ⁴
C) 1.9 × 10 ³
D) 3.2 × 10 ²
E) 18