Noxious NO Gas Can Form from N₂ and O₂ Gases $\circ$

Noxious NO gas can form from N₂ and O₂ gases in automobile engines at high temperatures. If the value of the equilibrium constant, K_c, for this reaction at 25 ^$\circ$ C is 1.95 $\times$ 10^-31, what is the value at 2,000 ^$\circ$ C?

Thermodynamic Properties of Nitrogen Monoxide

A) 2.8 $\times$ 10³
B) 3.7 $\times$ 10²
C) 6.9 $\times$ 10^-2
D) 6.2 $\times$ 10^-4
E) 1.7 $\times$ 10^-6