(a) If temperature is held constant, by how much should the piston be pushed down in order to decrease the volume of vapour to V = 4.5 dm3 ? (b) If temperature is held constant, by how much should the piston be pushed down in order to have the vapour condense completely?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A vertical cylinder with crosssectional area A = 1 dm contains h1 = 25 cm of water at the bottom. The space above it is filled with the saturated vapour of the water, which is separated from the external space by a piston. The bottom of the piston is h2 = 75 cm above the water level. The density of water at this temperature is n = 2 times the density of saturated vapour.

(a) If temperature is held constant, by how much should the piston be pushed down in order to decrease the volume of vapour to V = 4.5 dm3 ?

(b) If temperature is held constant, by how much should the piston be pushed down in order to have the vapour condense completely?

saturated
vapour
water
Transcribed Image Text:saturated vapour water
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