Consider a hypothetical gas-phase reaction A + B ⇔ C for which ∆G◦ = −10.00 kJ mol at 298.15 K. Assume that the gases are ideal. a. Find the value of (∂G /∂ξ ) T ,P if PA = 1.00 bar, PB = 0.500 bar, and PC = 0.250 bar. b. Find the value of the equilibrium constant. c. If the initial partial pressures are those in part a, find the equilibrium values of the partial pressures.

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