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Ultrasonic behavior of various chalcones in some solvents at different temperatures
Comportamiento ultrasónico de varias chalconas en algunos disolventes a diferentes temperaturas
DOI:
https://doi.org/10.15446/rcciquifa.v45n3.62014Palabras clave:
Ultrasonic velocity, chalcones, acoustical parameters, DMF, choloroform (en)Velocidad ultrasónica, chalconas, parámetros acústicos, DMF, cloroformo (es)
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Ultrasonic velocity, density and viscosity of some synthesized chalcones were measured in N,N-dimethyl formamide and chloroform at different temperatures (298.15 to 318.15 K). From these experimental data, various acoustical parameters such as specific impedance (Z), adiabatic compressibility (κs), Rao’s molar sound function (Rm), intermolecular free path length (Lf), solvation number (Sn), internal pressure (π) have been calculated in order to understand the molecular interactions
in the studied solutions. The results are interpreted in terms of molecular interactions occurring in the solutions.
La velocidad ultrasónica, la densidad y la viscosidad de soluciones de algunas chalconas sintéticas se midieron en N, N-dimetilformamida y cloroformo a diferentes temperaturas (desde 298,15 hasta 318,15 K). A partir de estos datos experimentales, se calcularon diversos parámetros acústicos tales como la impedancia específica (Z), la compresibilidad adiabática (ks), la función de sonido molar de Rao (Rm), la longitud de trayecto libre intermolecular (Lf), el número de solvatación (Sn) y la presión interna (Π), para comprender las interacciones moleculares en las soluciones estudiadas. Los resultados se interpretan en términos de las posibles interacciones moleculares que ocurren en las soluciones.
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