Consider the reaction 2 NO2(g) --> N2O4(g).

(a) (i)Using data from Appendix C in your textbook, calculate Delta G^o at 298 K for this reaction.

Substance DeltaH^o Delta G^o Delta G^o

NO2(g) 33.84 51.84 240.45

N2O4(g) 9.66 98.28 304.3

(ii) Calculate the equilibrium constant, K, for this reaction at 298 K.

(b) Will Delta G increase, decrease, or stay the same if the partial pressure of NO2 is increased?

(c) Calculate Delta G^o at 298K if the partial pressure of NO2 and N2O4 are 0.40 atm and 1.60 atm, respectively