Answer to Question #98807 in Electrical Engineering for Hardi Amiru Sulemana

Question #98807
Show that during the expansion of a quantity of gas according to the law PV^n = constant,the heat energy transfer Q and W are connected by the expression
Q={r - n/r - 1}W .
1
Expert's answer
2019-11-18T08:25:15-0500

The work during that process can be expressed as


According to the first law of thermodynamics, for a gas with degrees of freedom of molecules we can write:

Since

we can now write that



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