What Is the Value of the Equilibrium Constant at 298

What is the value of the equilibrium constant at 298 K for 2 N₂O (g) + O₂ (g) →4 NO (g) , if D G ° = +140 kJ?

A) 4.4×10 ^{- 35}
B) 2.9×10 ^{- 25}
C) 3.5×10²⁴
D) 0.95
E) 3.1×10 ^{- 5}