For reactions in the gas phase, an equilibrium constant may be written in terms of molarity (Kc) or in terms of partial pressures (Kp).
The value of Kc for the reaction shown below is equal to 2.9×10⁻⁴ at 298K.
2 NOBr(g) ⇄ 2NO(g) + Br₂(g)
What is the value for Kp at 298K for the reaction represented by the equation shown below? The value for the gas constant, R, is 0.08206 L . atm/mol. K.
NOBr(g) ⇄ NO}(g) + 1/2 Br₂(g)
