試題詳解

(16)A gas mixture contains 4.5 mol of O₂ and 6.0 mol of Ar. What is this mixture's molar specific heat Cv at constant volume? (R = ideal gas constant)
(A)1.7 R
(B)1.9 R
(C)2.1 R
(D)2.3 R
(E)2.5 R