The definition of density is the MASS per unit of VOLUME, which means that it is the mass (how heavy it is) relatively to its volume (how big it is).
In convection less molecules occupy large volume as in air to reduce the density.
Mass = Density x Volume Density = Mass/Volume Volume = Mass/Density
Density has dimensions - for instance grammes per cubic centimetre. Relative density is dimensionless - it is a density compared to another density - it is a dimensionless ratio. Normally the ratio is based on water, which has a density of 1g/cm3, so density and relative density are usually the same number - one with units, one without.
Volume = mass / Density Mass = Volume * Density Density = Mass / Volume
Density = Mass / Volume Rearranging this gives: Volume = Mass / Density Mass = Density × Volume
Density = (Mass) divided by (Volume) If you know the density and volume, then Mass = (Density) times (Volume)
density = mass/volume mass = density x volume volume = mass/density
Mass = Density x Volume Density = Mass ÷ Volume Volume = Mass ÷ Density
You would first have to convert everything to units of mass, or of volume. That requires knowing the density of the substances involved.You would first have to convert everything to units of mass, or of volume. That requires knowing the density of the substances involved.You would first have to convert everything to units of mass, or of volume. That requires knowing the density of the substances involved.You would first have to convert everything to units of mass, or of volume. That requires knowing the density of the substances involved.
d=m/v density= mass/ volume
The density of anything is the ratio of the weight (really the mass) to the volume that the material occupies. Water was involved in the original definition of units of mass and volume, so it has a rather special value of density. To a good approximation, the density of water is 1 gram per milliliter.
volume = mass/density and density = mass/volume