When the pressure of an equilibrium mixture of SO2, O2, and SO3 is doubled at constant temperature, what the effect on Kp?
2SO2(g) + O2(g) 2SO3(g)
a. Kp is halved.
b. Kp is doubled.
c. Kp is unchanged.
d. Kp is tripled.
e. Kp is decreased by a third.
Answer: a. Kp is halved.