For the Isomerization Reaction: Butane ⇌ Isobutane

question 70

Multiple Choice

For the isomerization reaction: butane ⇌ isobutane
K_p equals 25 at 500°C.If the initial pressures of butane and isobutane are 5.0.atm and 0.0 atm,respectively,what are the pressures of the two gases at equilibrium?

• A) P(butane) = 0.19 atm and P(isobutane) = 4.8 atm
• B) P(butane) = 0.20 atm and P(isobutane) = 5.0. atm
• C) P(butane) = 4.8 atm and P(isobutane) = 0.19 atm
• D) P(butane) = 5.0 atm and P(isobutane) = 0.80 atm

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