Recent content by harman12345

  1. H

    Thermodynamic- Internal energy of dry air

    OH my bad! should be p=P/RT right? and hint for part b please
  2. H

    Thermodynamic- Internal energy of dry air

    Homework Statement a) what is the density of dry air when the surface pressure is 1010hPa and the temperature is 27°C. b) what is the internal energy of 1kg of dry air under these conditions? Homework Equations P=p*R*T where P is pressure and p is density. The Attempt at a...