1.
At 1000 K, if the equilibrium constant Kp_p for the reaction 2NOCl(g)⇌2NO(g)+Cl2(g)\mathrm{2NOCl(g) \rightleftharpoons 2NO(g) + Cl_2(g)} is 4.157×10−44.157 \times 10^{-4} bar, the Kc_c (in mol L−1^{-1}) is (R = 0.083 L bar K−1^{-1} mol−1^{-1}):