Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane: 2C17H35COOH     (C17H35COOH)2; ΔH°rxn = –172 kJ/mol The equilibrium constant for this reaction at 28°C is 2.9 × 103. Estimate the equilibrium constant at 38°C. (R = 8.314 J/K• mol)

Principles of Modern Chemistry
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Chapter14: Chemical Equilibrium
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Stearic acid, nature's most common fatty acid, dimerizes when dissolved in hexane:
2C17H35COOH 
 
 (C17H35COOH)2; ΔH°rxn = –172 kJ/mol

The equilibrium constant for this reaction at 28°C is 2.9 × 103. Estimate the equilibrium constant at 38°C. (R = 8.314 J/K• mol)

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