18 01 20 bo At 25 C, the equilibrium partial pressures for the reaction 3 A(g) + 2 B(g) = C(g) + 2 D(g) Macmillan Learning were found to be PA = 5.66 atm, PB What is the standard change in Gibbs free energy of this reaction at 25 C? - 5.28 atm, Pc = 5.84 atm, and PD = 5.80 atm