![]() The two graphs below show the variation in liquid, gaseous and supercritical water density with temperature and pressure. Hydrogen-bonded double-donor water pairs were found to contribute most to the THz response around 180 cm −1, whereas the interstitial waters had negligible effect. THz spectroscopy has investigated the pressure response of the THz spectrum of bulk liquid water. Microsoft Word - Density of Water.doc Density of Water (g/cm3) at Temperatures from 0☌ (liquid state) to 30.9☌ by 0.1☌ increments. The density of liquid water increases with increasing pressure and decreases with increasing temperature. The density of supercooled (emulsified) water under pressure has been determined. It should be noted that earlier work used water with unknown isotopic constitutions and different (now defunct) temperature scales.įor water are presented elsewhere. The density at higher temperatures and pressures has been investigated using laser-driven shock compression. Such data for liquid water has been reviewed and extended. F4) Whole degrees are listed down the left hand side of the table, while tenths of a degree are listed across the top. The liquid-vapor density data in the graphs opposite and below were obtainedįrom the IAPWS-95 equations. Temperature (C) (from Handbook of Chemistry and Physics, 53rd Edition, p. The density anomalies of water are described elsewhere. Water - Density, Specific Weight and Thermal Expansion Coefficients Temperature : Density (0-100C at 1 atm, >100 C at saturation pressure ) Specific weight : Thermal expansion coefficient C g/cm 3 kg/m 3 sl/ft 3 lb m /ft 3 lb m /gal(US liq) kN/m 3 lb f /ft 3 10 - 4 K-1 0.1: 0.9998495: 999.85: 1.9400: 62.4186: 8.3441. The units for water density in these tables are g/cm, as a convenience to those who routinely use these units. 2-D Pressure-Temperature-Density data derived from tion of values of air-free water calculated using the formulation of Wagenbreth and Blanke 1, this table has been included in this paper for purposes of comparison. ![]()
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