The Equilibrium Constant,K_p,equals 3

question 77

Multiple Choice

The equilibrium constant,K_p,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

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