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Chemistry

Thermochemical properties

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Displaying 501 - 525 of 781

Ab initio kinetic coefficients of gaseous hydrogen

January 9, 2010
Author(s)
James B. Mehl, Marcia L. Huber, Allan H. Harvey
The spherical portion of the hydrogen intermolecular potential recently determined in ab initio calculations by Patkowski et al [J. Chem. Phys. 129:094304 (2008)] was used to calculate the viscosity and spherical contribution to the thermal conductivity of

Density and Speed of Sound Measurements of Hexadecane

January 7, 2010
Author(s)
Stephanie L. Outcalt, Arno R. Laesecke, Tara J. Fortin
The density and speed of sound of hexadecane have been measured using two instruments. Both instruments use the vibrating-tube method for measuring density. Ambient pressure (83 kPa) density and speed of sound measurements were carried out with a rapid

Thermophysical Properties of Selected Fluids at Saturation

January 1, 2010
Author(s)
Eric W. Lemmon
These tables give thermodynamic and transport properties of a variety of fluids, as generated from the equations of state presented in the references below. The properties tabulated are pressure (P), density (ρ), enthalpy (H), entropy (S), isochoric heat

FIXED-POINT PROPERTIES OF H2O AND D2O

November 30, 2009
Author(s)
Allan Harvey
Tables for inclusion in the 2010-2011 edition of the CRC Handbook of Chemistry and Physics include: Fixed-point properties of H2O and D2O; Properties of ice and supercooled water; Vapor pressure of ice; Melting point of ice as a function of pressure

Optimizing Acoustic Measurements of the Boltzmann Constant

November 22, 2009
Author(s)
Michael R. Moldover
We review the progress in acoustic metrology of gases that has occurred since the 1988 measurement of the universal gas constant R using a spherical acoustic resonator. The advances in understanding resonators and in calculating the thermophysical

Density and Speed of Sound Measurements of 1- and 2-Butanol

November 12, 2009
Author(s)
Stephanie L. Outcalt, Arno R. Laesecke, Tara J. Fortin
The density and speed of sound of 1- and 2-butanol have been measured using two instruments. Both instruments use the vibrating-tube method for measuring density. Ambient pressure (83 kPa) density and speed of sound measurements were carried out from 278

Thermal Diffusivity of H2O near the Critical Point

September 25, 2009
Author(s)
Jan V. Sengers, Richard A. Perkins, Marcia L. Huber, Bernard Le Neindre
The asymptotic critical behavior of the thermal diffusivity of H 2O, deduced from dynamic light-scattering measurements, is shown to be in good agreement with the mode-coupling theory for critical dynamics in fluids. Consistency of the thermal-diffusivity
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