Multiple choice

If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by

  1. Maxwell's equations

  2. Van der Waals equation

  3. Nernst heat theorem

  4. Clayperon-Claussius equation

  5. Gauss's law

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Claussius-Clayperon equation allows us to estimate the vapour pressure at another temperature, if the vapour pressure is known at some temperature, and if the enthalpy of vaporisation is known.