Why gases have 2 specific heats?

Why gases have 2 specific heats? Akhil Francis Specific heat capacity at constant pressure and specific heat capacity at constant volume……It is because heat energy supplied at constant Pressure changes both Internal Energy and also does Some amount of work…..while Heat energy supplied at constant volume only changes it’s internal energy and does not do any work as Volume is a constant… A simple relation between two specific heat capacities are given by Cp – Cv=R Is this the answer? You may also like: Plank’s Law and Compton Effect Newton’s...