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The figures and tables below shows how water enthalpy and entropy changes with temperature (°C and °F) at water saturation pressure (which for practicle use, gives the same result as atmospheric pressure at temperatures < 100 °C (212°F)). See Water and Heavy Water - thermodynamic properties.
Figures and tables showing how the properties of water changes along the boiling/condensation curve (vapor pressure, density, viscosity, thermal conductivity, specific heat, Prandtl number, thermal diffusivity, entropy and enthalpy).
Table A–26 Enthalpy of formation, Gibbs function of formation, and absolute entropy at 25°C, 1 atm Table A–27 Properties of some common fuels and hydrocarbons Table A–28 Natural logarithms of the equilibrium constant K p Figure A–29 Generalized enthalpy departure chart Figure A–30 Generalized entropy departure chart
Tables B-1 and B-2 present data for saturated liquid and saturated vapor. Table B-1 is presented information at regular intervals of temperature while Table B-2 is presented at regular intervals of pressure. Table B-3 presents data for superheated vapor over a matrix of temperatures and pressures.
Enthalpy–entropy chart - Wikipedia. The Mollier enthalpy–entropy diagram for water and steam. The "dryness fraction", x, gives the fraction by mass of gaseous water in the wet region, the remainder being droplets of liquid.
Thermodynamic property calculator for water: Density, heat capacity (isobaric and isochoric), enthalpy, entropy, conductivity, viscosity etc.
3 Νοε 2022 · Entropy S = 9.103679 J/g*K at 26.9 C and 0.0010 MPa. Source: Eric W. Lemmon, Mark O. McLinden and Daniel G. Friend, “Thermophysical Properties of Fluid Systems” in NIST Chemistry WebBook, NIST Standard Reference Database Number 69, Eds. P.J. Linstrom and W.G. Mallard, National Institute of Standards and Technology, Gaithersburg MD, 20899, ...
