![]() ![]() Lower limit for calculation: -90 C, 0.015 bar bar upper limit: 100 C, 39 bar. Lower limit for calculation: -70 C, 1 bar upper limit: 180 C, 300 bar.Ĭalculation of thermodynamic state variables of Tetrafluorethan - R134a in saturation state, boiling curve Melting point of ice at various pressures ĭata obtained from CRC Handbook of Chemistry and Physics 44th ed., p.Online - Calculation - Tetrafluorethane - R134aĮmail: scientific and engineering data onlineĬalculation of thermodynamic state variables of tetrafluorethane - R134a The sixth column is the density of the vapor. Because of lack of space, this has not been done consistently in the superheat and supercritical tables on pp. The fifth column is the work PΔ V done by each gram of liquid that changes to vapor. t The entries in all tables are regarded as pure numbers and therefore the symbols for the physical quantities should be divided by the appropriate units as shown for the entries at p/bar 4. The fourth column is the heat of vaporization of each gram of liquid that changes to vapor. ![]() The third column is the heat content of each gram of the liquid phase relative to water at 0 ☌. Pressure of the equilibrium is given in the second column in k Pa. Where P is equilibrium vapor pressure in k Pa, and T is temperature in kelvins.įor T = 273 K to 333 K: A = 7.2326 B = 1750.286 C = 38.1.įor T = 333 K to 423 K: A = 7.0917 B = 1668.21 C = 45.1.ĭata in the table above is given for water–steam equilibria at various temperatures over the entire temperature range at which liquid water can exist. Vapor pressure formula for steam in equilibrium with liquid water: log 10 P = A − B T − C, The values below 0 ☌ refer to supercooled water.Įlectrical conductivity of highly purified water at saturation pressure Temperature, ☌ Temperature dependence of the density of ice and water Velocity of sound in water Temperature - Figures and tables showing thermal conductivity of water (liquid and gas phase) with varying temperature. K) at 90 ☌ħ5.94 J/(mol K) and 4.2159 J/(g Temperature - Online calculator, figures and tables showing Specific Volume of water at temperatures ranging from 0-370 C and 32 - 700 F - Imperial and IS Units.K) at 20 ☌ħ5.28 J/(mol K) and 4.1814 J/(g Online calculator, figures and tables showing specific heat, C P and C V, of gasous and liquid ammonia at temperatures ranging from -73 to 425C (-100 to 800F) at pressure ranging from 1 to 100 bara (14.5 - 1450 psia) - SI and Imperial Units.See Water and Heavy Water - thermodynamic properties. K) at 0 ☌ħ5.42 J/(mol K) and 4.1921 J/(g Online calculator, figures and tables showing specific heat of liquid water at constant volume or.Thermodynamic properties Phase behaviorħ5.97 J/(mol K) and 4.2176 J/(g ![]() Structure and properties Structure and propertiesĤ92.215 kJ/mol O–H bond dissociation energy
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