Question

Why does melting point depend on external pressure?

Answer 1

The melting point of a substance is the temperature at which the solid form's vapor pressure equals the liquid form's vapor pressure. ... I understand that intuitively, melting pointincreasing with pressure makes sense, as more energy is needed to overcome larger external pressure in order to liquefy.

Answer 2

Hey mate ^_^

Here is ur answer...

The melting point of a substance is the temperature at which the solid form's vapor pressure equals the liquid form's vapor pressure. I read that the vapor pressure of something depends ONLY on the temperature. ... In that case, the melting point should not be affected by external pressure.


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