The isothermal compressibility κ_T = -(1/V)·(∂V/∂P)_T is the fractional volume change per unit pressure change at fixed temperature — the inverse of the bulk modulus B_T = 1/κ_T. For an ideal gas obeying PV = nRT, ∂V/∂P|_T = -nRT/P² =…
The isothermal compressibility κ_T = -(1/V)·(∂V/∂P)_T is the fractional volume change per unit pressure change at fixed temperature — the inverse of the bulk modulus B_T = 1/κ_T. For an ideal gas obeying PV = nRT, ∂V/∂P|_T = -nRT/P² =…