gas or liquid

  1. TriKri

    Gas/Liquid pressure from temperature and density

    How can I calculate a gas' or a liquid's pressure from it's density and it's temperature? For example, for air, I suppose the pressure p\ and the density \rho is proportional, p\ \propto\ \rho. Is this true? That would mean that since the unit of pressure is Pa and the unit for density is...