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(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?

(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?

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter3: Refrigeration And Refrigerants
Section: Chapter Questions
Problem 14RQ: What is meant by a saturated liquid and vapor?
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A vertical cylinder with crosssectional area A = 1 dm2  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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