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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. 145 atm of trans-2-butene, what is the equilibrium pressure of each gas?
A) P(cis-2-butene) = 0.0 426 atm and P(trans-2-butene) = 0. 145 atm
B) P(cis-2-butene) = 0.0 471 atm and P(trans-2-butene) = 0. 160 atm
C) P(cis-2-butene) = 0.0 735 atm and P(trans-2-butene) = 0.250 atm
D) P(cis-2-butene) = 0. 0898 atm and P(trans-2-butene) = 0. 305 atm
Answer
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