The difference in the molar heat capacity at constant P and constant V is (assume ideal gas).
A)equal to R for monotomic gas.
B)equal to 2R for diatomic gas.
C)equal to NR for polyatomic gas,where N is the number of atoms in a polyatomic molecules.
D)equal to R for all gases.
E)(A)and (D)

Question

Quizplus · Accepted Answer

The difference in the molar heat capacity at constant pressure (Cp) and constant volume (Cv) for an ideal gas is equal to the gas constant R, regardless of the type of gas (monatomic, diatomic, or polyatomic). This is a result of the ideal gas law and the definition of heat capacities.

The Difference in the Molar Heat Capacity at Constant P