At 500°C, the following reaction has Kp = 133. If a reaction is initiated with the partial pressure of each gas at 1.0 atm, what is the total pressure of the reaction mixture at equilibrium?
H2(g) + Br2(g) 2 HBr(g)
a. 1.0 atm
b. 3.0 atm
c. 0.77 atm
d. 2.0 atm
e. 4.0 atm
Answer: b. 3.0 atm