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Online calculator, figures and tables showing density and specific weight of propane, C3H8, at temperatures ranging from -187 to 725 °C (-305 to 1300 °F) at atmospheric and higher pressure - Imperial and SI Units.
Relative density, also called specific gravity, [1] [2] is a dimensionless quantity defined as the ratio of the density (mass of a unit volume) of a substance to the density of a given reference material.
Specific gravity is an expression of density in relation to the density of a standard or reference (usually water). Also, density is expressed in units (weight relative to size) while specific gravity is a pure number or dimensionless.
Typically specific volume uses the symbol v. The density of a substance is defined as the mass per unit volume, and it is therefore the reciprocal of the specific volume. Density is designated by the symbol ρ. Specific volume and density are intensive properties.
An introduction to density, specific weight and specific gravity. Fuel Oils - Densities vs. Temperature Variations in fuel oils density as function of temperatur, together with volume correction factors.
Defining the concepts of density, specific volume, specific weight, and specific gravity.
specific gravity, ratio of the density of a substance to that of a standard substance. The usual standard of comparison for solids and liquids is water at 4 °C (39.2 °F), which has a density of 1.0 kg per litre (62.4 pounds per cubic foot).
The density of water is 1.0 g/mL at room temperature, so the specific gravity is equal to the density of the object expressed without a unit. When substances dissolve in water, the density of the solution is usually different from pure water. For example, the density of whole blood for humans is ~1.060 g/mL.
Range of Values. Relative density and specific gravity can both have values greater than or less than 1. A value greater than 1 indicates that the substance is denser than the reference substance, while a value less than 1 indicates that the substance is less dense than the reference substance.
Define density and specific gravity. Perform calculations involving both density and specific gravity.