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Gibbs-Helmholtz equation is__________________?

Correct answer: A. ΔF = ΔH + T [∂(ΔF)/∂T]P

  • A. ΔF = ΔH + T [∂(ΔF)/∂T]P
  • B. ΔF = ΔH - TΔT
  • C. d(E - TS) T, V < 0
  • D. dP/dT = ΔHvap/T.ΔVvap

Explanation

The Gibbs-Helmholtz relation can be written as ΔG = ΔH + T[∂(ΔG)/∂T]ₚ; the option uses F for the free-energy function. The other expressions are not the Gibbs-Helmholtz equation, although option d resembles the Clapeyron equation.

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