To determine the work done in a reversible isothermal expansion of an ideal gas, we can follow these steps:1. Understanding the Process: - In a reversible isothermal expansion, a gas expands at a constant temperature (T). Th
aAs for the working process of pneumatic engine, more mechanical work is converted if compressed air undergoes an isothermal expansion 3–4 in the cylinder. Figure 2 shows different working cycles of pneumatic engine when adiabatic expansion (n=1.4) and isothermal expansion (n=1) are adopted, re...
b.The first process is an increase in pressure to 3 atmospheres at constant volume. c.The second process is an isothermal expansion to some volume, Vmax, while the pressure is reduced back to 1 atmosphere. d.The final process is an isobaric compr...
Derive an expression for the work done by a gaseous system for an isothermal expansion of an...Question:Derive an expression for the work done by a gaseous system for an isothermal expansion of an ideal gas.Work-doneBased on the conventions, work done by...
Which of the following is true for an isothermal free expansion of an ideal gas? Aq=0 Bw=0 CΔH=0 DAll of theseSubmit For an isothermal free expansion of an ideal gas, AΔU=0,q=0,w=0 BΔU≠0,q≠0,w=0 CΔU≠0,q=0,w=0 DΔU=0,q≠0,w=0Submit ...
FAQ: What is the Sign Convention for Work Done on a Gas in an Isothermal Expansion? What is the "Work: Sign Convention Problem"? The "Work: Sign Convention Problem" is a concept in physics that arises when calculating the work done by a force on an object. It refers to t...
The diagram below shows a reversible and irreversible isothermal expansion and compression process connecting the same equilibrium states. For the irreversible expansion process, the external pressure is abruptly dropped to equal the final pressure of state 2 and held constant at that pressure until the...
For an isothermal process, a heat flux ΔQrev dependent on the direction and amount of the enthalpy change will arise (a negative sign of ΔQrev indicates that heat is flowing out of the system). According to the second law of thermodynamics for a reversible process, the heat flux is cal...
eldb= thermal expansioncoef?cientc= ratio of speci?c heatsD= totalchangein quantitydij= Kroneckerdeltaj= isothermalcompressibilityk= secondcoef?cient of viscosityl= ? rst coef?cient of viscosityn= genericvariableq= mass densitysij= viscousstress tensoru= speci?c exergyw= speci?c ? ow exergy...
Assuming an isothermal system boundary, the modified entropy rate balance equation is (Q˙/Tb)actual+m˙(s1−s2)+S˙P=0 or Q˙actual=m˙Tb(s2−s1)−TbS˙P Using this expression for Q˙ in the preceding equation and solving for W˙actual produces (9.35)W˙actual=m˙[(h1−Tbs1...