Chemical Engineering Thermodynamics (MCQs)

Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants)

  • A. (atm)Δx, when Δx is negative
  • B. (atm)Δx, when Δx is positive
  • C. Dimensionless, when Δx = 0
  • D. (atm)Δx2, when Δx > 0
Answer: Option D.
Explanation: 
The equilibrium constant (KP) for the reaction below can be written as : KP=(atm)Δx Where Δx= change in number of moles (difference in number of moles of products − reactants).

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