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Chemistry · Fundamentals of thermodynamics: System and surroundings, extensive and intensive properties, state functions, entropy, types of processes

The symbols and denote Helmholtz free energy, enthalpy, entropy, molar volume an

The symbols \( F . H . S . V_{m} \) and \( E^{o} \) denote Helmholtz free energy, enthalpy, entropy, molar volume and standard electrode potential, respectively. The correct classification of the properties is:

  • A. \( F . H . S \) are intensive; \( V_{m} \) and \( E^{o} \) are extensive
  • B. F.H.S are extensive; \( V_{m} \) and \( E^{\circ} \) are intensive
  • C. \( F . H . S \) and \( V_{m} \) are intensive; \( E^{o} \) are extensive
  • D. \( F . H . S \) and \( E^{o} \) are extensive; \( V_{m} \) are intensive

Step-by-step solution

Intensive properties do not depend on the amount of substance (e.g., molar volume and standard electrode potential), while extensive properties depend on the amount (e.g., Helmholtz free energy, enthalpy, entropy). Thus, F, H, S are extensive; Vm and E° are intensive.
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