Define two principal specific heats of a gas. Which is greater and why?

Define specific heat ?

Define and explain specific heat.

Define Principal Specific heat capacities of gases

If M is the molecular weight of gas then the principal specific heat of a gas is given by

The specific heat of an ideal gas is

Define the two principle specific heats of a gas. Explain wy molar specific heat at constant pressure (C_p) is greater than the molar specific hat at constant comlume (C_V) ?