The ratio of the mass of a homogeneous portion of matter to its volume. The density of solids is compared to water at 16.7″C (62″F), and gases are compared to air at 15.6″C (60°F) at a pressure of 762 mm (30in.) of mercury (101 kPa [14.7 psi]).
The ratio of the mass of a homogeneous portion of matter to its volume. The density of solids is compared to water at 16.7″C (62″F), and gases are compared to air at 15.6″C (60°F) at a pressure of 762 mm (30in.) of mercury (101 kPa [14.7 psi]).