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One mole of an ideal gas, initially at 20 °C (293.15 K) and 1.50 bar, undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at constant volume to 100 °C (373.15 K) its final pressure is 10 bar. Take Cp = (7/2)R and Cv = (5/2)R. Hints: Process 1 to 2:                 T1 = T2; Process 2 to 3:                (P2/T2) = (P3/T3), thus (P2/T1) = (P3/T3) Use equations for isothermic and isochoric processes. Wtotal = W12 + W23 and Qtotal = Q12 + Q23. What is the amount of work involved in the process? What is the amount of heat transferred in the process?

One mole of an ideal gas, initially at 20 °C (293.15 K) and 1.50 bar, undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at constant volume to 100 °C (373.15 K) its final pressure is 10 bar. Take Cp = (7/2)R and Cv = (5/2)R. Hints: Process 1 to 2:                 T1 = T2; Process 2 to 3:                (P2/T2) = (P3/T3), thus (P2/T1) = (P3/T3) Use equations for isothermic and isochoric processes. Wtotal = W12 + W23 and Qtotal = Q12 + Q23. What is the amount of work involved in the process? What is the amount of heat transferred in the process?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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One mole of an ideal gas, initially at 20 °C (293.15 K) and 1.50 bar, undergoes the following mechanically reversible changes. It is compressed isothermally to a point such that when it is heated at constant volume to 100 °C (373.15 K) its final pressure is 10 bar. Take Cp = (7/2)R and Cv = (5/2)R.

Hints:

Process 1 to 2:                 T1 = T2;

Process 2 to 3:                (P2/T2) = (P3/T3), thus (P2/T1) = (P3/T3)

Use equations for isothermic and isochoric processes. Wtotal = W12 + W23 and Qtotal = Q12 + Q23.

  1. What is the amount of work involved in the process?
  2. What is the amount of heat transferred in the process?
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