Density and specific gravity Flashcards
mass per volume
density
depends on temperature and pressure
reciprocal of density, volume per unit mass
specific volume
in gases, density is ________ to pressure
proportional
in gases, density is ________to temperature
inversely proportional
another word for specific gravity
relative density
the ratio of the density of a substance to the density of a standard substance at a specified temperature
normally the standard substance is Water at 4oc)
specific gravity/ relative density
specific gravity = ρ/ρH2O
another word for specific weight
weight density
weight of a unit volume of a substance
specific weight/ weight density
γ = ρg
any equation that relates the pressure, temperature, density or specific volume of a substance
e.g. ideal gas equation of state
equation of state