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A weighted piston (total mass of 16.8 kg), resting on stops in a cylinder (radius of 0.05 m) divides a container into two regions. 0.075 kg of saturated liquid water at 50 °C is contained beneath the piston. The rest of the cylinder and container is evacuated. Heat is applied to the water until the piston is lifted off of the stops and moved a distance (y) of 0.6 m. As the piston reaches the mouth of the cylinder, the hermetic seal is broken and the cylinder contents can now expand to fill the remainder of the evacuated space. At this instant, no additional heat is added to or removed from the system. When the system fully equilibrates, its absolute pressure is measured to be 0.01 MPa. vacuum 11个个ベ (c) LY-NO - SA Niel Crews, 2013 a) What is the state of the water when the piston begins to rise off of the stops? compressed liquid b) What is the water temperature when the piston reaches the mouth of the cylinder? 61.02432 °C c) What is the final volume of the water (after the seal is broken)? 0.00479 m3

A weighted piston (total mass of 16.8 kg), resting on stops in a cylinder (radius of 0.05 m) divides a container into two regions. 0.075 kg of saturated liquid water at 50 °C is contained beneath the piston. The rest of the cylinder and container is evacuated. Heat is applied to the water until the piston is lifted off of the stops and moved a distance (y) of 0.6 m. As the piston reaches the mouth of the cylinder, the hermetic seal is broken and the cylinder contents can now expand to fill the remainder of the evacuated space. At this instant, no additional heat is added to or removed from the system. When the system fully equilibrates, its absolute pressure is measured to be 0.01 MPa. vacuum 11个个ベ (c) LY-NO - SA Niel Crews, 2013 a) What is the state of the water when the piston begins to rise off of the stops? compressed liquid b) What is the water temperature when the piston reaches the mouth of the cylinder? 61.02432 °C c) What is the final volume of the water (after the seal is broken)? 0.00479 m3

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
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.
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A weighted piston (total mass of 16.8 kg), resting on stops in a cylinder (radius of 0.05 m) divides a container into two regions. 0.075 kg of saturated liquid water at 50 °C is contained beneath the piston. The rest of the cylinder and container is evacuated. Heat is applied to the water until the piston is lifted off of the stops and moved a distance (y) of 0.6 m. As the piston reaches the mouth of the cylinder, the hermetic seal is broken and the cylinder contents can now expand to fill the remainder of the evacuated space. At this instant, no additional heat is added to or removed from the system. When the system fully equilibrates, its absolute pressure is measured to be 0.01 MPa. vacuum y (cc) BY-NC-SA Niel Crews. 2013 a) What is the state of the water when the piston begins to rise off of the stops? compressed liquid b) What is the water temperature when the piston reaches the mouth of the cylinder? 61.02432 °C c) What is the final volume of the water (after the seal is broken)? 0.00479
Transcribed Image Text:A weighted piston (total mass of 16.8 kg), resting on stops in a cylinder (radius of 0.05 m) divides a container into two regions. 0.075 kg of saturated liquid water at 50 °C is contained beneath the piston. The rest of the cylinder and container is evacuated. Heat is applied to the water until the piston is lifted off of the stops and moved a distance (y) of 0.6 m. As the piston reaches the mouth of the cylinder, the hermetic seal is broken and the cylinder contents can now expand to fill the remainder of the evacuated space. At this instant, no additional heat is added to or removed from the system. When the system fully equilibrates, its absolute pressure is measured to be 0.01 MPa. vacuum y (cc) BY-NC-SA Niel Crews. 2013 a) What is the state of the water when the piston begins to rise off of the stops? compressed liquid b) What is the water temperature when the piston reaches the mouth of the cylinder? 61.02432 °C c) What is the final volume of the water (after the seal is broken)? 0.00479
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