3. An ideal gas with constant heat capacity undergoes a change of state from conditionsTi=400 K and Pi=6 bar to conditions T2=300 K and P2=1.2 bar. Determine AH(J•mol-) and AS (J·mol¯1·K¯l). Cp/R= 9/24. A steady-flow adiabatic turbine (expander) accepts gas at conditions T1, P1, anddischarges at conditions T2, P2. Assuming ideal gases, determine (per mole of gas) W,Wideal, Wlost, and SG. Take To = 300 K. Take T1 = 500 K, P1= 6 bar, T2 = 371 K, P2 =1.2 bar, Cp/R = 7/2. 1. Calculate Z and V for ethylene at 25°C and 12 bar by the following equations:a. The truncated virial equation with the following experimental valuesof virial coefficients: B=-140 cm ³ · mol -1,C=7200 cm6.• mol -2ВZ = 1+-+V2VВРb. The truncated virial equation, Z = 1 +with a value of B from the generalized PitzerRTcorrelation for the second virial coefficient.c. The Redlich/Kwong equationd. The Soave/Redlich/Kwong equatione. The Peng/Robinson equation

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3. An ideal gas with constant heat capacity undergoes a change of state from conditions T1=400 K and Pi=6 bar to conditions T2-300 K and P2=1.2 bar. Determine AH (J-mol) and AS (J-mol1-K!). Cp/R= 9/2

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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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

3. An ideal gas with constant heat capacity undergoes a change of state from conditions
Ti=400 K and Pi=6 bar to conditions T2=300 K and P2=1.2 bar. Determine AH
(J•mol-) and AS (J·mol¯1·K¯l). Cp/R= 9/2
4. A steady-flow adiabatic turbine (expander) accepts gas at conditions T1, P1, and
discharges at conditions T2, P2. Assuming ideal gases, determine (per mole of gas) W,
Wideal, Wlost, and SG. Take To = 300 K. Take T1 = 500 K, P1= 6 bar, T2 = 371 K, P2 =
1.2 bar, Cp/R = 7/2.

1. Calculate Z and V for ethylene at 25°C and 12 bar by the following equations:
a. The truncated virial equation with the following experimental values
of virial coefficients: B=-140 cm ³ · mol -1,C=7200 cm
6.
• mol -2
В
Z = 1+-+
V2
V
ВР
b. The truncated virial equation, Z = 1 +
with a value of B from the generalized Pitzer
RT
correlation for the second virial coefficient.
c. The Redlich/Kwong equation
d. The Soave/Redlich/Kwong equation
e. The Peng/Robinson equation

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