For the Isomerization Reaction: Butane ⇌ Isobutane

question 55

Multiple Choice

For the isomerization reaction: butane ⇌ isobutane
K_p equals 25 at 500°C.If the initial pressures of butane and isobutane are 10.atm and 0.0 atm,respectively,what are the pressures of the two gases at equilibrium?

• A)P(butane)= 0.38 atm and P(isobutane)= 9.6 atm
• B)P(butane)= 0.40 atm and P(isobutane)= 10.atm
• C)P(butane)= 9.6 atm and P(isobutane)= 0.38 atm
• D)P(butane)= 10 atm and P(isobutane)= 0.40 atm

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