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## Main Question or Discussion Point

Hi folks, my prof gave us some problems calculating pressure drop in two phase flow. She did some examples and somehow she got the density of water-liquid and water-vapor from steam tables, but she did not explain how. I have never used these. I am especially stumped on the density of water-liquid. The problem gave a pressure of 7.2 MPa, Length = 3m, Area = 1.5E-4. She got a density of liquid = 736.49kg/m^3. Thanks