試題詳解

8. The average molecular translational kinetic energy of a gas molecule is ______. (The ideal gas constant is R. Boltzmann constant is kB. Temperature of gas is T.)
(A) (3/2)k_BT
(B) (3/2)RT
(C) (1/2)k_BT
(D) (1/2)RT
(E) (n+3)k_BT/2, where n is the number of internal degrees of freedom.