Physics, asked by wwwyogeshkaushik9912, 9 months ago

Why do the fusion line, vaporisation line and sublimation line of a substance, meet necessarily at a single point?

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Answered by rituanand318
3

Answer:

Every point on the fusion line, the temperature and pressure values are such that the substance co-exists in equilibrium in solid and liquid phases. ... Sublimation line EF represents the variation of pressure with temperature at which a solid changes directly into vapour state (without going into the liquid phase)

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