When the P-V work of a specific system is calculated, it is calculated according to the...
When the P-V work of a specific system is calculated, it is calculated according to the following equation.
What are the assumptions used in the calculation? (4 assumptions). To calculate the P-V work, a path linking state 1 and state 2 needs to be provided. Explain which step in the calculation indicates the path.
Homework Answers
Some assumptions are follows-
1. Gas is ideal since ideal gas equation is used in calculation PV = nRT.
2. Number of moles is 1 since n is taken 1 in calculation.
3. Temperature is constant since it is taken out from integration in calculation (isothermal process).
4. Process is reversible.
Third step of calculation indicates that process is isothermal since temperature T is taken out from integration.
I will be glad to see your comment if you have any query and thumb up if you are satisfied. Thanks...
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I need to solve this using matlab.
1) ) Cubic equations of state can be used to establish the pressure(P)-volume(V)-temperature (T) relationship of fluids. A typical one is called Redlich/Kwong equation of state and is in the following form: R T where a and b are fluid specific parameters and R is the gas constant 83.14 cm bar/mol.K When this equation is solved for volume (V) the largest root yield the vapor-phase volume whereas the smallest root yields the liquid-phase...
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A gas is well described with the following equation of state P = RT/V - b - a/squareroot T 1/V (V + b) where a = 452.0 bar.dm^6.mol^2.K^1/2 and b = 0.08217 dm^3.mol^-1. If 1.14 moles of the gas have a volume of 2L at 685K, calculate: 1- the pressure of the gas using the provided equation of state. 2- the pressure assuming that the gas is an ideal gas. 3- The compressibility factor (z) of the gas...
Figure 2.4 shows a cyclic path in the P -V diagram of an ideal
gas. The result is that the net work done on the gas is the
negative of the area enclosed by the path
.
Assume that the gas is ideal with N particles and calculate the
energy transfer by heating in each step of the process. Then
explain why the net work done on the gas is negative and show that
the net change of the internal...
1. The Redlich-Kwong equation of state is given by P=_RT___ A _ _ V-RI2,, - 0.0866 - where 4-0.42748RT - B - P (The R-K constants can be calculated from the critical temperature and pressure of the gas.) This EOS was introduced in 1949 and is adequate for calculations of gas phase properties when P, </2 T, a) Derive an expression for the work associated with an isothermal reversible volume change of a R-K gas between two volumes V, and...
1. a) How much work is done by/on the system when is taken from
point a to point b following the
path indicated in the figure?
b) How much heat is absorbed/released by the system when is
taken from point a to point b
following the path indicated in the figure? Express your answer in
kJ
c) What is the change in internal energy, ?U? Express your
answer in kJ.
2. a) How much work is done on the system...
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