5.2. Calculate the volume fluctuations AV given by AV = √(V2) - (V)2 in the isothermal-isobaric ensemble. Express the answer in terms of the isother- mal compressibility к defined to be K = 1 (POP) N.T (V) ӘР Show that AV/(V) ~ 1/√N and hence vanish in the thermodynamic limit. 2