Answer question four please. 4) Calculate the internal energy U of a liter of helium at room temperature and atmospheric pressure.Then repeat the calculation for a liter of air.5) The equipartition theorem allows us to write U = aNKT, where the constant a is the number of(active) degrees of freedom per molecule and k is Boltzmann's constant. Write an expression forthe change in internal energy AU.6) What does the expression for AU from the previous problem say about AU if the temperature isconstant?7) Consider the p-V plot shown to the right.The work done by the system during a process isSinalWby = Jyrte,p dv.P%3DHow much work is done along path i?b. Cross-hatch the area on the plot thatrepresents the amount of work done alonga.iipath ii.iVVzV, va22°FEhhp

Given that , He gas and air , V = 1 litre P= 1 atm =1.013×105 Pa

Answered: 4) Calculate the internal energy U of a…

4) Calculate the internal energy U of a liter of helium at room temperature and atmospheric pressure. Then repeat the calculation for a liter of air.

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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Numerical Calculations

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Question

Answer question four please.

4) Calculate the internal energy U of a liter of helium at room temperature and atmospheric pressure.
Then repeat the calculation for a liter of air.
5) The equipartition theorem allows us to write U = aNKT, where the constant a is the number of
(active) degrees of freedom per molecule and k is Boltzmann's constant. Write an expression for
the change in internal energy AU.
6) What does the expression for AU from the previous problem say about AU if the temperature is
constant?
7) Consider the p-V plot shown to the right.
The work done by the system during a process is
Sinal
Wby = Jyrte,p dv.
P
%3D
How much work is done along path i?
b. Cross-hatch the area on the plot that
represents the amount of work done along
a.
ii
path ii.
iV
Vz
V, v
a
22°F
Eh
hp

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