Specific volume is the volume of a unit of mass of a material. It is equal to the inverse density. , where V is specific volume and ρ is the density. Density (symbol: Ï - Greek: rho) is a measure of mass per unit of volume. ... Density (symbol: Ï - Greek: rho) is a measure of mass per unit of volume. ...
Mathematically, volumes are defined by means of integral calculus, by approximating the given body with a large amount of small cubes or concentric cylindrical shells, and adding the individual volumes of those shapes.
Volume is a fundamental parameter in thermodynamics and it is conjugate to pressure.
The volume of an object is equal to its mass divided by its average density.
Similarly, if the specific gravity of a substance is known and the density of the reference substance is known in some particular units, then the density of the substance of interest, in those units, is equal to the product of its specific gravity and the density of the reference substance.
Specific gravities of gases are often given with dry air as the reference substance.
The specific gravity of the solid is the ratio of its weight in air to the difference between its weight in air and its weight immersed in water.
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