試題詳解

4. Compounds X and Y have the same mass, but compound Y has two more atoms in its structure. Which statements must be true?
(A) C_v for compound X is greater than C_v for Y
(B) C_v for compound X is less than C, for Y
(C) C_pfor compound X is greater than C_p for Y
(D) C_p, for compound X is less than Cp for Y
(E) B and D