Consider one mole each of two ideal gasses, mixed at 302 K. Determine the Gibbs energy of mixing a. +3.43 kJ b. 3.48 kJ C. d. -1.71 kJ e. +1.74 kJ f. g. +3.48 kJ h. +1.71 kJ 3.43 kJ 1.74 kJ