In the Gas Phase, Formic Acid Forms a Dimer, 2HCOOH(g)

question 74

Multiple Choice

In the gas phase, formic acid forms a dimer, 2HCOOH(g) (HCOOH) ₂(g) . For this reaction, ΔH° = -60.1 kJ/mol and ΔG° = -13.9 kJ/mol at 25°C. Find the equilibrium constant (K_P) for this reaction at 75 °C.

• A) 8960
• B) 273
• C) 0.120
• D) 8.33
• E) 1.12 × 10^-4

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