Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range

Alexander Apelblat

doi:10.1016/j.molliq.2017.07.111

Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range

Alexander Apelblat

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Sound velocities in aqueous solutions of LiNO₃, NaNO₃ and KNO₃ were measured at 1 K intervals from T = (278.15 to 353.15) K, in the 0.1 mol·kg^{− 1} 0.5 mol·kg^{− 1} and 1.0 mol·kg^{− 1} solutions. Determined sound velocities and densities served to determine the isentropic and isothermal compressibilities, the apparent molar compressibilities_, the apparent molar volumes_, the isochoric thermal pressure coefficients, cubic expansion coefficients, changes of heat capacities with volume and with pressure, and the hydration numbers. In addition were evaluated the ultrasonic relaxation times and corresponding thermodynamic functions of the activation of the viscous process. Determined parameters are qualitatively correlated with changes in the structure of water when alkali metal nitrates are dissolved in it.

Original language	English
Pages (from-to)	1236-1247
Number of pages	12
Journal	Journal of Molecular Liquids
Volume	242
DOIs	https://doi.org/10.1016/j.molliq.2017.07.111
State	Published - 1 Sep 2017

Keywords

Alkali metal nitrates
Changes of in heat capacities with volume and pressure
Cubic expansion coefficients
Densities
Isochoric thermal pressure coefficients
Isothermal and isentropic compressibilities
Sound velocities
Structure of aqueous solutions of alkali metal nitrates
The apparent molar compressibilities and the apparent molar volumes
Thermodynamic functions of the activation of the viscous process

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Spectroscopy
Physical and Theoretical Chemistry
Materials Chemistry

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title = "Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range",

abstract = "Sound velocities in aqueous solutions of LiNO3, NaNO3 and KNO3 were measured at 1 K intervals from T = (278.15 to 353.15) K, in the 0.1 mol·kg− 1 0.5 mol·kg− 1 and 1.0 mol·kg− 1 solutions. Determined sound velocities and densities served to determine the isentropic and isothermal compressibilities, the apparent molar compressibilities, the apparent molar volumes, the isochoric thermal pressure coefficients, cubic expansion coefficients, changes of heat capacities with volume and with pressure, and the hydration numbers. In addition were evaluated the ultrasonic relaxation times and corresponding thermodynamic functions of the activation of the viscous process. Determined parameters are qualitatively correlated with changes in the structure of water when alkali metal nitrates are dissolved in it.",

keywords = "Alkali metal nitrates, Changes of in heat capacities with volume and pressure, Cubic expansion coefficients, Densities, Isochoric thermal pressure coefficients, Isothermal and isentropic compressibilities, Sound velocities, Structure of aqueous solutions of alkali metal nitrates, The apparent molar compressibilities and the apparent molar volumes, Thermodynamic functions of the activation of the viscous process",

author = "Alexander Apelblat",

note = "Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

month = sep,

day = "1",

doi = "10.1016/j.molliq.2017.07.111",

language = "English",

volume = "242",

pages = "1236--1247",

journal = "Journal of Molecular Liquids",

issn = "0167-7322",

publisher = "Elsevier B.V.",

}

Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range. / Apelblat, Alexander.
In: Journal of Molecular Liquids, Vol. 242, 01.09.2017, p. 1236-1247.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range

AU - Apelblat, Alexander

PY - 2017/9/1

Y1 - 2017/9/1

N2 - Sound velocities in aqueous solutions of LiNO3, NaNO3 and KNO3 were measured at 1 K intervals from T = (278.15 to 353.15) K, in the 0.1 mol·kg− 1 0.5 mol·kg− 1 and 1.0 mol·kg− 1 solutions. Determined sound velocities and densities served to determine the isentropic and isothermal compressibilities, the apparent molar compressibilities, the apparent molar volumes, the isochoric thermal pressure coefficients, cubic expansion coefficients, changes of heat capacities with volume and with pressure, and the hydration numbers. In addition were evaluated the ultrasonic relaxation times and corresponding thermodynamic functions of the activation of the viscous process. Determined parameters are qualitatively correlated with changes in the structure of water when alkali metal nitrates are dissolved in it.

AB - Sound velocities in aqueous solutions of LiNO3, NaNO3 and KNO3 were measured at 1 K intervals from T = (278.15 to 353.15) K, in the 0.1 mol·kg− 1 0.5 mol·kg− 1 and 1.0 mol·kg− 1 solutions. Determined sound velocities and densities served to determine the isentropic and isothermal compressibilities, the apparent molar compressibilities, the apparent molar volumes, the isochoric thermal pressure coefficients, cubic expansion coefficients, changes of heat capacities with volume and with pressure, and the hydration numbers. In addition were evaluated the ultrasonic relaxation times and corresponding thermodynamic functions of the activation of the viscous process. Determined parameters are qualitatively correlated with changes in the structure of water when alkali metal nitrates are dissolved in it.

KW - Alkali metal nitrates

KW - Changes of in heat capacities with volume and pressure

KW - Cubic expansion coefficients

KW - Densities

KW - Isochoric thermal pressure coefficients

KW - Isothermal and isentropic compressibilities

KW - Sound velocities

KW - Structure of aqueous solutions of alkali metal nitrates

KW - The apparent molar compressibilities and the apparent molar volumes

KW - Thermodynamic functions of the activation of the viscous process

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DO - 10.1016/j.molliq.2017.07.111

M3 - Article

AN - SCOPUS:85027985066

SN - 0167-7322

VL - 242

SP - 1236

EP - 1247

JO - Journal of Molecular Liquids

JF - Journal of Molecular Liquids

ER -

Effect of temperature on compressibility properties of 0.1, 0.5 and 1.0 molal solutions of alkali metal nitrates. Part 2. Aqueous solutions of lithium nitrate, sodium nitrate and potassium nitrate in the 278.15 K to 353.15 K temperature range

Abstract

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