platm 2.0 1.0 (c) نما thermal (b) (a) One mole of an ideal gas undergoes a cyclic three-step process according to Figure 2: (a) 1->2: reversible and adiabatic expansion starting at T₁, and pressure pl = 2 atm. (b) 2->3: reversible isothermal compression up to p3= 1 atm and (c) 3->1: heating under constant volume, at final temperature T₁, and pressure pl = 2 atm. Calculate the entropy changes of the gas for the three steps and for the cycle. The heat capacity under constant volume is given: çx 12.47 J mol-¹ K-¹ V Enter your results (with units) in the Table below 451+2 AS2+3 AS3+1 AS1+2+3+1

platm 2.0 1.0 (c) نما thermal (b) (a) One mole of an ideal gas undergoes a cyclic three-step process according to Figure 2: (a) 1->2: reversible and adiabatic expansion starting at T₁, and pressure pl = 2 atm. (b) 2->3: reversible isothermal compression up to p3= 1 atm and (c) 3->1: heating under constant volume, at final temperature T₁, and pressure pl = 2 atm. Calculate the entropy changes of the gas for the three steps and for the cycle. The heat capacity under constant volume is given: çx 12.47 J mol-¹ K-¹ V Enter your results (with units) in the Table below 451+2 AS2+3 AS3+1 AS1+2+3+1

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

p/atm
2.0
1.0
EXERCISE 3
(c)
3
1
thermal
(b)
Ⓡ
One mole of an ideal gas undergoes a
cyclic three-step process according to
Figure 2:
(a) 1->2: reversible and adiabatic
expansion starting at T₁, and pressure
= 2 atm.
pl
(b) 2->3: reversible isothermal
compression up to p3 = 1 atm and
(c) 3->1: heating under constant
volume, at final temperature Ti, and
pressure p1 = 2 atm.
Calculate the entropy changes of the
gas for the three steps and for the
cycle. The heat capacity under
constant volume is given: cx= 12.47 J
mol-¹ K-¹.
V
Enter your results (with units) in the Table below
AS₁1+2
AS2+3
AS3+1
AS1+2+3+1

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