A vessel with a small hole is at a temperature of 76 ° C. Atmospheric pressure P0 = 750 mm Hg. Art. A little water is poured into the vessel, the saturation vapor pressure of which at this temperature is p1 = 300 mm Hg. Art. The vessel is then sealed and immersed in liquid air boiling at 80° K. What will be the pressure in the vessel? The saturation water vapor pressure at 80° K can be neglected.

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