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CGP EDU Academic Team
Published on: September 12, 2026
One mole of an ideal gas is taken through an adiabatic process where the temperature rises from 27 0 C to 37 0 C. If the ideal gas is composed of polyatomic molecule that has 4 vibrational modes, which of the following is true? 
Text Solution
Verified by ExpertsThe correct answer is:
B
Since, each vibrational mode, corresponds to two degrees of freedom, hence,
f=3(trans.) +3(rot.) + 8 (vib.) = 14
& 
As W<0. work is done on the gas.
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