Question

The equilibrium constant, Kp, equals 3.40 for the isomerization reaction:
cis-2-butene trans-2-butene.
If a flask initially contains 0.250 atm of cis-2-butene and 0.125 atm of trans-2-butene, what is the equilibrium pressure of each gas?
A) P(cis-2-butene) = 0.037 atm, P(trans-2-butene) = 0.125 atm
B) P(cis-2-butene) = 0.048 atm, P(trans-2-butene) = 0.165 atm
C) P(cis-2-butene) = 0.074 atm, P(trans-2-butene) = 0.250 atm
D) P(cis-2-butene) = 0.085 atm, P(trans-2-butene) = 0.290 atm

Answer

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