Question

post this letter at once ka pv​

Answer 1

which letter......???????

Answer 2

Answer:

There is a simpler answer... from the definitions: Cp=dh/dT)p and Cv=du/dT)v also h=u+pv and pv=zRT. If z is small (liquids and solids), the difference between h and u also Cp and Cv is also small.