Question: Find the internal pressure p1 of a liquid if its density p and specific latent heat of vaporization q are known. The heat q is

Find the internal pressure p1 of a liquid if its density p and specific latent heat of vaporization q are known. The heat q is assumed to be equal to the work performed against the forces of the internal pressure, and the liquid obeys the Van der Waals equation. Calculate p1 in water.

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