ThermodynamicsMedium

Question

The molar specific heat of the the process V ∝ T4 for CH4 at room temperature is : -

Options

A.4 R
B.7 R
C.3 R
D.8 R

Solution

V ∝ T4 ⇒ V ∝ (PV)4
⇒ P4V3 = contant ⇒ PV3/4 = constant
∴ C = Cv + =3R + 4R = 7R

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