Heat and Thermal ExpansionHard

Question

n moles of an  ideal triatomic linear gas undergoes a proses  in which the temperature changes with  volume as T  = k1V2 where k1 is a constant. Choose incorrect alternative :- 

Options

A.At normal temperature Cv = R
B.At any temperature Cp - Cv = R
C.At normal temperature molar heat capacity C = 3R
D.At any temperature molar heat capacity C = 3R

Solution

At normal temperature
Cv = R = R
At any temperature
Cp - Cv = R = R
From process                T = k1V2
and
Ideal gas equations       PV = nRT
We have PV-1 = constant ⇒ x = - 1
⇒ C = Cv +
At normal temperature
C = = 3R

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