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) Cv for compound X is greater than Cv for Y
(B) Cv for compound X is less than C, for Y
(C) Cpfor compound X is greater than Cp for Y
(D) Cp, for compound X is less than Cp for Y
(E) B and D

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統計: A(1), B(2), C(0), D(1), E(4) #2735907

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