Chemical Engineering Thermodynamics (MCQs)

The expression for entropy change given by, ΔS = – nR ln (P₂/P₁), holds good for

  • A. Expansion of a real gas
  • B. Reversible isothermal volume change
  • C. Heating of an ideal gas
  • D. Cooling of a real gas
Answer: Option B.
Explanation: 

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