Chemical Engineering Thermodynamics

Solid and liquid phases of a substance are in equilibrium at the_____.

  • A. Critical temperature
  • B. Melting point
  • C. Freezing point
  • D. Both B and C
Answer: Option D.

During phase transition since the system will be at same temperature and pressure we can say the system is in thermodynamic equilibrium and hence during melting and freezing the system will be in equilibrium.

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