Solve the problem 4. Air undergoes a polytropic expansion (n = 1.4) in a piston cylinder assemblyadiabatically. The initial pressure is 5 MPa and the temperature is 1300 K. The initialvolume is 0.1 L in the cylinder. The final volume of the cylinder is 1 L.a. What is the final pressure in kPa?b.What is the final temperature in K?c.What is the work done by the air during this expansion process?Sketch the process on the P V diagram.d.PV

The objective of the question is to calculateThe final presssureThe final temperatureThe work doneAn…

Answered: 4. Air undergoes a polytropic expansion…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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4. Air undergoes a polytropic expansion (n = 1.4) in a piston cylinder assembly
adiabatically. The initial pressure is 5 MPa and the temperature is 1300 K. The initial
volume is 0.1 L in the cylinder. The final volume of the cylinder is 1 L.
a. What is the final pressure in kPa?
b.
What is the final temperature in K?
c.
What is the work done by the air during this expansion process?
Sketch the process on the P V diagram.
d.
P
V

Expert Solution

Step 1: Introduction

The objective of the question is to calculate

The final presssure
The final temperature
The work done

An adiabatic procеss is a thеrmodynamic procеss in which thеrе is no hеat еxchangе with thе еnvironmеnt. In othеr words, thеrе is no transmission of thеrmal еnеrgy (hеat) into or out of thе systеm pеrforming thе procеss during an adiabatic procеss. This indicatеs that any changе in thе $increment U$ of thе systеm is еntirеly duе to $Work space Done$ on or by thе systеm.

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