9) A piston-cylinder contains 1 kg water at 20 °C with an absolute pressure of 101.3 kPa. The piston is pulled upward until the pressure in the piston is reduced to 50 kPa. The process is done slowly and the liquid and any vapor in the piston remain at 20 °C. What can be said of the phase of water in the piston? O A. O B. C. O D. Compressed liquid Liquid-vapor mixture Superheated steam Super-critical phase

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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9) A piston-cylinder contains 1 kg water at 20 °C with an absolute
pressure of 101.3 kPa.
The piston is pulled upward until the pressure in the piston is
reduced to 50 kPa. The process is done slowly and the liquid and
any vapor in the piston remain at 20 °C. What can be said of the
phase of water in the piston?
A.
OB.
O C.
O D.
Compressed liquid
Liquid-vapor mixture
Superheated steam
Super-critical phase
Transcribed Image Text:9) A piston-cylinder contains 1 kg water at 20 °C with an absolute pressure of 101.3 kPa. The piston is pulled upward until the pressure in the piston is reduced to 50 kPa. The process is done slowly and the liquid and any vapor in the piston remain at 20 °C. What can be said of the phase of water in the piston? A. OB. O C. O D. Compressed liquid Liquid-vapor mixture Superheated steam Super-critical phase
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