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A piston-cylinder device contains (0.85 kg) of refrigerant (134a) at (-10°C). The piston that is free to move has a mass of (12 kg) and a diameter of (25 cm). The local atmospheric pressure is (88 kPa). Now, heat is transferred to refrigerant (134a) until the temperature is (15°C). Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant (134a). NE

A piston-cylinder device contains (0.85 kg) of refrigerant (134a) at (-10°C). The piston that is free to move has a mass of (12 kg) and a diameter of (25 cm). The local atmospheric pressure is (88 kPa). Now, heat is transferred to refrigerant (134a) until the temperature is (15°C). Determine (a) the final pressure, (b) the change in the volume of the cylinder, and (c) the change in the enthalpy of the refrigerant (134a). NE

Introduction to Chemical Engineering Thermodynamics
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
Section: Chapter Questions
Problem 1.1P
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A piston-cylinder device contains (0.85 kg) of refrigerant (134a) at (-10°C). The piston that is free to move has a mass of (12 kg) and a diameter of (25 cm). The local atmospheric pressure is (88 kPa). Now, heat is transferred to refrigerant (134a) until the temperature is (15°C). Determine (a) the final pressure, (b) the change in the volume of the cylinder, the enthalpy of the refrigerant (134a). aOF ENGINE and (c) the change in OF ENGINEde,
Transcribed Image Text:A piston-cylinder device contains (0.85 kg) of refrigerant (134a) at (-10°C). The piston that is free to move has a mass of (12 kg) and a diameter of (25 cm). The local atmospheric pressure is (88 kPa). Now, heat is transferred to refrigerant (134a) until the temperature is (15°C). Determine (a) the final pressure, (b) the change in the volume of the cylinder, the enthalpy of the refrigerant (134a). aOF ENGINE and (c) the change in OF ENGINEde,
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