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Consider a gas of triatomic molecules. The molecules are assumed to be triangular and made of massless rigid rods whose vertices are occupied by atoms. The internal energy of a mole of the gas at temperature T is :
detailed solution
Correct option is C
Degrees of freedom for a non linear triatomic molecule = Three Translation + Three Rotation = 6 (or) f=3A-B=3(3)-3=6 A=no. of atoms and B= no of restrictionsU=f2RT=62RT=3RTTalk to our academic expert!
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