scholarly journals Study of Acoustical Parameters in Binary Liquid Mixture Containing 1-Butanol and Hexane at Temperatures 313.15 K, 318.15 K and 323.15 K

2013 ◽  
Vol 18 ◽  
pp. 1-7
Author(s):  
C.H. Srinivasu ◽  
K. Anil Kumar ◽  
S.K. Fakruddin ◽  
K. Narendra ◽  
T. Anjaneyulu
Keyword(s):  
Experimental Data ◽  
Molecular Interactions ◽  
Acoustic Impedance ◽  
Entire Range ◽  
Liquid Mixture ◽  
Adiabatic Compressibility ◽  
Binary Liquid Mixture ◽  
Acoustical Parameters ◽  
Binary Liquid ◽  
Different Temperatures

The values of ultrasonic velocity (u), density (ρ), and viscosity (η) have been measured experimentally in the binary liquid mixture containing 1-butanol and hexane over the entire range of composition at different temperatures 313.15 K, 318.15 K and 323.15 K. This experimental data have been used to calculate the acoustical parameters such as adiabatic compressibility (β), free length (Lf), molar volume (Vm) and acoustic impedance(z). The results have been qualitatively used to explain the molecular interactions between the components of the liquid mixture.

Acoustical Studies on CuO – Diethyl Amine + Isopropanol Binary Nanofluids at Various Temperatures

2015 ◽  
Vol 1086 ◽  
pp. 107-110
Author(s):  
B. Rohini ◽  
Solomon Jeevaraj A. Kingson
Keyword(s):  
Experimental Data ◽  
Acoustic Impedance ◽  
Liquid Mixtures ◽  
Acoustical Parameters ◽  
Free Length ◽  
Binary Liquid ◽  
Diethyl Amine ◽  
Ultrasonic Sound ◽  
Different Temperatures ◽  
Ultrasonic Parameters

Ultrasonic parameters of CuO: Diethylamine-Isopropaonol binary nanofluids at six different concentrations have been reported at three different temperatures like 298K, 308K and 318K. The acoustical parameters such as Ultrasonic sound velocity (v), Compressibility (β), Inter molecular free length (Lf), Acoustic impedance (Z) are calculated from experimental data. The variation of these parameters with composition of the mixture helps us in understanding the nature and extent of interaction between particles and the binary liquid mixtures.KeywordsUltrasonic velocity, Compressibility, Acoustic impedance, Inter molecular free length, Nanofluids

scholarly journals Acoustical Studies of Binary Liquid Mixtures of p-Chlorotoluene in Benzene at Different Temperatures

2014 ◽  
Vol 29 ◽  
pp. 25-37 ◽  
Author(s):  
G. Pavan Kumar ◽  
Ch. Praveen Babu ◽  
K. Samatha ◽  
A.N. Jyosthna ◽  
K. Showrilu
Keyword(s):  
Molecular Interactions ◽  
Molecular Interaction ◽  
Adiabatic Compressibility ◽  
Liquid Mixtures ◽  
Ultrasonic Velocities ◽  
Acoustical Parameters ◽  
Binary Liquid ◽  
Wada’S Constant ◽  
Rao’S Constant ◽  
Different Temperatures

Ultrasonic velocities (U), densities (ρ), and coefficient of viscosities (η) are measured for binary mixtures containing (i) p-chlorotoluene and (ii) benzene at 303.15 K, 308.15 K, 313.15 K and 318.15 K to understand the molecular interaction. Various acoustical parameters such as adiabatic compressibility (βad), free length (Lf), acoustic impedance (Z), free volume (Vf), molar volume (Vm), Rao’s constant (R), Wada’s constant (W) and internal pressure (πi), are calculated from the measured values of U, ρ, and η. The trend in acoustical parameters also substantiates to asses strong molecular interactions.

scholarly journals Evaluation of Excess Thermodynamic Parameters in a Binary Liquid Mixture (Cyclohexane +O-Xylene) at Different Temperatures

2010 ◽  
Vol 7 (3) ◽  
pp. 927-934 ◽  
Author(s):  
K. Narendra ◽  
P. Narayanamurthy ◽  
CH. Srinivasu
Keyword(s):  
Excess Enthalpy ◽  
Composition Range ◽  
Liquid Mixture ◽  
Weak Interactions ◽  
Adiabatic Compressibility ◽  
Liquid Mixtures ◽  
Binary Liquid Mixture ◽  
Binary Liquid ◽  
Different Temperatures ◽  
Excess Internal Pressure

The ultrasonic velocity, density and viscosity in binary liquid mixture cyclohexane witho-xylene have been determined at different temperatures from 303.15 to 318.15 K over the whole composition range. The data have been utilized to estimate the excess adiabatic compressibility (βE), excess volumes (VE), excess intermolecular free length (LfE), excess internal pressure (πE) and excess enthalpy (HE) at the above temperatures. The excess values have been found to be useful in estimating the strength of the interactions in the liquid mixtures. Analysis of these parameters indicates that there are weak interactions among the components of the binary mixtures.

scholarly journals Molecular Interaction Studies on N-Alkanols with DMA in Toluene at 303K

2010 ◽  
Vol 7 (2) ◽  
pp. 465-472 ◽  
Author(s):  
S. Thirumaran ◽  
J. Earnest Jayakumar ◽  
B. Hubert Dhanasundaram
Keyword(s):  
Experimental Data ◽  
Molecular Interactions ◽  
Acoustic Impedance ◽  
Molecular Interaction ◽  
Adiabatic Compressibility ◽  
Molecular Association ◽  
Acoustical Parameters ◽  
Intermolecular Free Length ◽  
Dimethyl Acetamide ◽  
Hydrogen Bonded

The ultrasonic study of velocity, density and viscosity has been measured for the mixtures ofn-alkanols, namely; 1-propoanol, 1-butanol and 1-pentanol in toluene withN-Ndimethyl acetamide (DMA) at 303K. The experimental data have been used to calculate the acoustical parameters such as adiabatic compressibility (β), intermolecular free length (Lf), free volume (Vf), internal pressure (πi) and acoustic impedance (Z). The excess values of the above parameters have also been evaluated and presented. From the present investigation, it is obvious that a weak molecular association was identified. Mixing of DMA withnalkanols causes dissociation of hydrogen bonded structures ofn- alkanols. Also, further addition of DMA with the mixture not only causes dissociation of hydrogen bonded structures ofn-alkanols but also a decrease in molecular association between toluene andn-alkanols is observed. The evaluated excess values predict weak molecular interactions existing between DMA-n-alkanols as well as toluene-n-alkanols.

THERMO PHYSICAL PROPERTIES OF TERNARY MIXTURES OF 1-HEXANOL/1- OCTANOL CONTAINING N-N-DIMETHYLFORMAMIDE AND TOLUENE AT 303.15 K

2021 ◽  
pp. 41-43
Author(s):  
T. Sumathi
Keyword(s):  
Experimental Data ◽  
Molecular Interactions ◽  
Acoustic Impedance ◽  
Composition Range ◽  
Adiabatic Compressibility ◽  
Ternary Mixtures ◽  
Acoustical Parameters ◽  
Free Length ◽  
Intermolecular Free Length ◽  
Thermo Physical Properties

In the present work, ultrasonic velocity (u), viscosity (η) and density (ρ) of ternary mixtures of 1-hexonal and 1-octanol with dimethylformamide in toluene at 303.15 K have been measured over the entire composition range. From the experimental data, acoustical parameters such as adiabatic compressibility (β), intermolecular free length (L ), free volume (V ), acoustic impedance (Z), excess adiabatic compressibility , excess free length , excess free f f E E (b ) (L )f volume and excess acoustic impedance have been computed. The variation of these properties with composition are E E (V ) (Z ) f discussed in terms of molecular interactions between unlike molecules of the mixtures.

Ultrasonic Studies and Molecular Interactions of N, N-Dimethyl Formamide and 1-Butanol with n-Hexane at Different Temperatures 303K ,308K and 313K.

2019 ◽  
Vol 1 (3) ◽  
pp. 1-7
Author(s):  
Syed Ibrahim P.S. ◽  
Chidambaravinayagam S ◽  
Senthil Murugan J ◽  
Edward Jeyakumar J
Keyword(s):  
Experimental Data ◽  
Absorption Coefficient ◽  
Molecular Interactions ◽  
Adiabatic Compressibility ◽  
Liquid Mixtures ◽  
Dimethyl Formamide ◽  
Ultrasonic Velocities ◽  
Acoustical Parameters ◽  
Constant Frequency ◽  
Different Temperatures

The Ultrasonic velocity(U), density(?), and viscosity(?) have been measured for the ternary liquid mixtures of N,N-Dimethyl Formamide (NNDMF),   1 butanol and n hexane at various temperatures viz., 303 k,308 k and 313 k at constant frequency 2 MHz. for different concentrations ranges from 0.001M to 0.01M. The acoustical parameters such as adiabatic compressibility(?), Rao constant(R), absorption coefficient (?/f2), internal pressure(?i), cohesive energy(CE), free volume(Vf), free length(Lf) and acoustic impedence(z), were calculated from the experimental data. These parameters in accordance with their ultrasonic velocities corresponding to different concentrations were discussed.

scholarly journals Ultrasonic Study of Molecular Interaction in Binary Liquid Mixtures of n-Hexane with Alcohols

2013 ◽  
Vol 5 ◽  
pp. 59-71 ◽  
Author(s):  
N. Santhi ◽  
P.L. Sabarathinam ◽  
G. Alamelumangai ◽  
J. Madhumitha ◽  
M. Emayavaramban
Keyword(s):  
Experimental Data ◽  
Molar Volume ◽  
Ultrasonic Velocity ◽  
Molecular Interactions ◽  
Molecular Interaction ◽  
Adiabatic Compressibility ◽  
Liquid Mixtures ◽  
Acoustical Parameters ◽  
Binary Liquid ◽  
Intermolecular Free Length

Ultrasonic velocity, viscosity and density of alcohol[s] in n-hexane have been measured at various temperatures in the range of 303.15 - 318.15K. From the experimental data, the acoustical parameters such as molar volume, adiabatic compressibility, intermolecular free length and their excess values have been computed and presented as functions of compositions. The deviations from ideality of the acoustical parameters are explained on the basis of molecular interactions between the components of the mixtures. The variations of these parameters with composition of the mixture suggest the strength of interactions in these mixtures.

scholarly journals Ultrasonic Studies of Molecular Interactions in Organic Binary Liquid Mixtures

2010 ◽  
Vol 7 (s1) ◽  
pp. S217-S222
Author(s):  
S. Thirumaran ◽  
T. Alli ◽  
D. Priya ◽  
A. Selvi
Keyword(s):  
Experimental Data ◽  
Hydrogen Bonding ◽  
Internal Pressure ◽  
Ultrasonic Velocity ◽  
Molecular Interactions ◽  
Molecular Interaction ◽  
Adiabatic Compressibility ◽  
Liquid Mixtures ◽  
Acoustical Parameters ◽  
Binary Liquid

The ultrasonic velocity, density and viscosity have been measured for the mixtures of 1-alkanols such as 1-propanol and 1-butanol withN-Ndimethylformamide (DMF) at 303 K. The experimental data have been used to calculate the acoustical parameters namely adiabatic compressibility (β), free length (Lf), free volume (Vf) and internal pressure (πi). The excess values of the above parameters are also evaluated and discussed in the light of molecular interaction existing in the mixtures. It is obvious that there is a formation of hydrogen bonding between DMF and 1-alkanols. Further, the addition of DMF causes dissociation of hydrogen bonded structure of 1-alkanols. The evaluated excess values confirm that the molecular association is more pronounced in system-II comparing to the system-I.

scholarly journals Excess Molar Volumes, Intermolecular Free Lengths, Adiabatic Compressibilities and Acoustic Impedance of Binary Mixtures of Anisole, Toluene and Ethylbenzene with Dioxane at Different Temperatures

2014 ◽  
Vol 42 ◽  
pp. 72-83 ◽  
Author(s):  
S.L. Dahire ◽  
Y.C. Morey ◽  
P.S. Agrawal
Keyword(s):  
Experimental Data ◽  
Acoustic Impedance ◽  
Composition Range ◽  
Adiabatic Compressibility ◽  
Excess Molar Volumes ◽  
Polynomial Equation ◽  
Liquid Mixtures ◽  
Binary Liquid ◽  
Intermolecular Free Length ◽  
Different Temperatures

The present study reports densities (ρ), viscosities (η) and ultrasonic speeds (U) of pure dioxane (DOX), anisole (ANS), toluene (TOL) and ethylbenzene (ETB) and their binary liquid mixtures over the entire composition range at 293, 298, 303, 308 and 313 K. From the experimental data excess molar volume (VmE), excess intermolecular free length (LfE), excess adiabatic compressibility (βE) and excess acoustic impedance (ZE) have been computed. The excess values were correlated using Redlitch-Kister polynomial equation to obtain their coefficients and standard deviations (σ). With increase in temperature, the binary mixture of DOX+ANS shows larger deviations in βE, LfE and smaller deviations in ZE, VmE. These results suggest that ANS has strong molecular interactions with DOX than ETB and TOL.

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