Αποτελέσματα Αναζήτησης
Metals Vapor pressure. This table gives coefficients in an equation for the vapor pressure of metallic elements in both the solid and liquid state. Vapor pressure in the range of 10-15 to 10-3-atmare covered. The equation is: log(p/atm) = A + B T + C *log(T) + D T3.
This table gives coefficients in an equation for the vapor pressure of 65 metallic elements in both the solid and liquid state. Vapor pressures in the range 10 -10 to 10 2 Pa (10 -15 to 10 -3 atm) are covered.
Boca Raton, Florida, 2003; Section 4, Properties of the Elements and Inorganic Compounds; Vapor Pressure of the Metallic Elements. The equations reproduce the observed pressures to an accuracy of ±5% or better. Coefficients from this source: Alcock, C. B.; Itkin, V. P.; Horrigan, M. K. (1984).
30 Ιαν 2023 · Generally a substance's vapor pressure increases as temperature increases and decreases as temperature decreases (i.e. vapor pressure is directly proportional to temperature). This chart shows that this trend is true for various substances with differing chemical properties.
APPROXIMATE VAPORIZATION TEMPERATURES OF METALS AT VARYING PRESSURES Element Melting Point °C 10-5-0.01 °C 10 4 0.1 °C 10-3 1 °C 10 2 10 °C 10-1 100 °C 760 Torr 760,000µ °C Ag 965 768 849 921 1046 1160 2213 Al 660 724 807 888 996 1124 2057 Au 1063 1082 1191 1316 1466 1646 2996 B 2300 - 1141 1238 1354 1488 2549 ...
USEFUL TABLES AND CHARTS A.1 USEFUL PROPERTY DATA FOR CORRESPONDING STATES ESTIMATES The values given in Table A.1 are useful in “corresponding states” estimates of thermodynamic properties. Bar¼ 0.987atm. Physical and Chemical Equilibrium for Chemical Engineers, Second Edition. Noel de Nevers.
24 Απρ 2021 · There are several vapor pressure formulas, but two common ones are Raoult’s law and the Clausius-Clapeyron equation. Calculate Vapor Pressure Using Raoult’s Law. Raoult’s law relates the vapor pressure of a solution (P solution) to the vapor pressure of the solvent (P solvent) and mole fraction of the solvent (X solvent):
