Let’s consider the reaction 4NO (g) 6H2O (l) 4NH3 (g) 5O2 (g) (K1) Write an expression for the equilibrium constant (K1).

Options:
A) K1 = [NH3]⁴ / [NO]⁴[O2]⁵
B) K1 = [NO]⁴[H2O]⁶ / [NH3]⁴[O2]⁵
C) K1 = [NH3]⁴[O2]⁵ / [NO]⁴[H2O]⁶
D) K1 = [NO]⁴[O2]⁵ / [NH3]⁴[H2O]⁶