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A mixture (i.e., thermodynamic system) of 0.182 kg of helium (He) and 0.091 kg of oxygen (O2) is compressed polytropically (PV" = const.) in a piston-cylinder device from 101.352 kPa and 15.56°C to 413.69 kPa according to n= 1.4. Determine for the process: (a) the final temperature, (b) the work done, and (c) the heat energy. Clearly mention whether the work is done on or by the mixture, and whether the heat is supplied to or rejected by the mixture to the surroundings. Take the specific heat capacity at constant volume, cy for He = 3.119 kJ/(kg-K) and for O2 = 0.659 kJ/(kg:K), and the value of gas constant R for He = 2.0769 kJ/(kg-K) and for O2 = 0.2598 kJ/(kg·K). Draw the schematic of piston-cylinder device and display the process on a hypothet- ical indicator diagram for the process.

A mixture (i.e., thermodynamic system) of 0.182 kg of helium (He) and 0.091 kg of oxygen (O2) is compressed polytropically (PV" = const.) in a piston-cylinder device from 101.352 kPa and 15.56°C to 413.69 kPa according to n= 1.4. Determine for the process: (a) the final temperature, (b) the work done, and (c) the heat energy. Clearly mention whether the work is done on or by the mixture, and whether the heat is supplied to or rejected by the mixture to the surroundings. Take the specific heat capacity at constant volume, cy for He = 3.119 kJ/(kg-K) and for O2 = 0.659 kJ/(kg:K), and the value of gas constant R for He = 2.0769 kJ/(kg-K) and for O2 = 0.2598 kJ/(kg·K). Draw the schematic of piston-cylinder device and display the process on a hypothet- ical indicator diagram for the process.

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 mixture (i.e., thermodynamic system) of 0.182 kg of helium (He) and 0.091 kg of oxygen (O2) is compressed polytropically (PV" = const.) in a piston-cylinder device from 101.352 kPa and 15.56°C to 413.69 kPa according ton=1.4. Determine for the process: (a) the final temperature, (b) the work done, and (c) the heat energy. Clearly mention whether the work is done on or by the mixture, and whether the heat is supplied to or rejected by the mixture to the surroundings. Take the specific heat capacity at constant volume, c, for He = 3.119 kJ/(kg-K) and for O2 = 0.659 kJ/(kg K), and the value of gas constant R for He = 2.0769 kJ/(kg-K) and for O2 = 0.2598 kJ/(kg K). Draw the schematic of piston-cylinder device and display the process on a hypothet- ical indicator diagram for the process.
Transcribed Image Text:A mixture (i.e., thermodynamic system) of 0.182 kg of helium (He) and 0.091 kg of oxygen (O2) is compressed polytropically (PV" = const.) in a piston-cylinder device from 101.352 kPa and 15.56°C to 413.69 kPa according ton=1.4. Determine for the process: (a) the final temperature, (b) the work done, and (c) the heat energy. Clearly mention whether the work is done on or by the mixture, and whether the heat is supplied to or rejected by the mixture to the surroundings. Take the specific heat capacity at constant volume, c, for He = 3.119 kJ/(kg-K) and for O2 = 0.659 kJ/(kg K), and the value of gas constant R for He = 2.0769 kJ/(kg-K) and for O2 = 0.2598 kJ/(kg K). Draw the schematic of piston-cylinder device and display the process on a hypothet- ical indicator diagram for the process.
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