If the diatomic molecule is not rigid but has in addition a vibrationa – McqOptions

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1.	If the diatomic molecule is not rigid but has in addition a vibrational mode, then the molar specific heat at constant pressure for the diatomic gas is _____________.
A.	7R/2
B.	3R/2
C.	9R/2
D.	5R/2
Answer» D. 5R/2

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