Density: Density is a measure of the mass per unit volume of a substance. It indicates how much matter is packed into a given space.
- P – Pressure in kPa
- R – Gas constant of air ( 0.287 kPa·m^3/kg·K)
- T – Temperature in Kelvin(K)
Specific Gravity: Specific gravity is the ratio of the density of a substance to the density of a reference substance (usually water for liquids and solids, and air for gases). It is dimensionless.
- Density of water – 1000 kg/m^3
Mass: Mass is the measure of the amount of matter in an object. It is independent of the object’s location or the gravitational field.
- V – Volume of System (m^3)
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