Specific volume

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Specific volume (v) is the volume occupied by a unit of mass of a material. It is equal to the inverse of density. Specific volume may be expressed in \frac{m^3}{kg} or \frac{ft^3}{lb}.

v = \frac{V}{m} = \frac{1}{\rho} for an ideal gas

where, V is the volume, m is the mass and ρ is the density of the material.

For an ideal gas,

v = \frac{R T}{P}

where, R specific gas constant, T is the temperature and P is the pressure of the gas.

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