The question goes as follows:

What is the ratio Kc/Kp for the following reaction at 723 °C?

O2(g) + 3 UO2Cl2(g)

U3O8(s) + 3 Cl2(g)

(A) 0.0122 (B) 1.00 (C) 59.4 (D) 81.8

The problem doesnt provide any constants, can someone explain to me how to solve this problem? Thanks once again!