Multiple Choice
Calculate the Gibbs free energy change (ΔGᵣₓₙ) at 298 K for the reaction N₂ (g) + 3 H₂ (g) ⇌ 2 NH₃ (g) given the standard Gibbs free energy change (ΔG° = -33.3 kJ) and the partial pressures: P(N₂) = 1.5 atm, P(H₂) = 4.5 atm, P(NH₃) = 1.0 atm.