Question

For an ideal monatomic gas,

A) Cp > Cv.
B) Cp = Cv.
C) Cp < Cv.
D) More information is needed to answer this question.

Answer 1

The molar heat capacity at constant pressure (Cp) is equal to the molar heat capacity at constant volume (Cv) for an ideal monatomic gas.

Step-by-step explanation:

The correct answer is B) Cp = Cv. For an ideal monatomic gas, the molar heat capacity at constant pressure (Cp) is equal to the molar heat capacity at constant volume (Cv).

However, it's important to note that Cp and Cv are not absolute values but rather depend on the specific gas and the conditions.

For any ideal gas, Cp is greater than Cv for a given temperature and pressure. This can be derived from the ideal gas law and the concept of internal energy. But for an ideal monatomic gas, the relationship is such that Cp = Cv.