Heat and Thermal ExpansionHard
Question
The internal energy of a gas in an adiabatic process is given by U = a + bPV, find γ : -
Options
A.
B.
C.
D.
Solution
U = a + bPV = a + bnRT
⇒ ᐃU = bnRᐃT = nCvᐃT
⇒ Cv = bR ⇒ Cp = bR +R
⇒ γ =
⇒ ᐃU = bnRᐃT = nCvᐃT
⇒ Cv = bR ⇒ Cp = bR +R
⇒ γ =
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