Question

The Kc for dimerization of nitrogen (IV) oxide at -10°C is 70.5. Evaluate the Kp at this temperature. (R = 8.314 J K^-1 mol^-1)

Answer 1

$K_p=K_c(RT)^{Δn}$

$K_p=70.5\cdot(8.314\cdot263)^2\approx3.37\cdot10^8.$