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In: Physics

A "Linde-machine" is used to cool and liquefy air. The cyclic process uses three different states...

A "Linde-machine" is used to cool and liquefy air. The cyclic process uses three different states running
through three different processes, assuming air as a diatomic ideal gas:
1 > 2: adiabatic compression with T1 = 23.0 °C, T2 = 150 °C, p1 = 2.00 x 10^5 Pa and V1 = 2.50 dm^3
2 > 3: isobaric compression with T3 = T1
3 > 1: isothermal expansion
a) Draw the corresponding p(V) diagram of the cyclic process, numbering the different states and indicating
the direction of the individual processes (note that it is not a heat engine, but used to cool air).
b) What are the number of moles, the pressure at state 2 and volumes at states 2 and 3?
c) What are the related work and heat taken up or released at each process?
d) Calculate the total amount of work.

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genius_generous answered 1 year ago
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