Chemical Engineering Thermodynamics

Number of degrees of freedom for a three phase system in equilibrium comprising of three non-reacting chemical species is

  • A. 2
  • B. 0
  • C. 1
  • D. 3
Answer: Option A.
Explanation: 

Given, number of phases (∅) = 3

Number of non-reacting components = 3

So, degree of freedom = C − ∅ + 2 = 3 − 3 + 2 = 2

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