On this page:
Parachor is a scientific quantity defined according to the formula: P = γ * M / d where γ is the fourth root of surface tension, M is the molar mass, and d is the density. Parachor "has been used in solving various structural problems.
Printed dictionaries and other books with definitions for Parachor
Click on a title to look inside that book (if available):
by Y. Samiullah
Parachor is a molecular size parameter best conceptualized as molar volume corrected for surface tension. The capacity ratio (k'), in this case determined experimentally by reverse-phase high performance liquid chromatography, was ...
Residue Reviews (2013)
Residues of Pesticides and Other Contaminants in the Total Environment by Francis A. Gunther, Jane Davies Gunther
Parachor is a measure of molecular size or volume. LAMBERT (1967) developed an equation relating the Freundlich equilibrium constant to parachor with a series of 2,6-dinitro-4-alkylsulphophenyl-N,N-dialkylanilines and phenylureas: ln Ke ...
by R L Madan
Parachor is a property which is : (a) additive-cum- constitutive (b) colligative (c) additive (d) none ANSWERS Fill in the blanks 1.
by Shahamat U. Khan
Parachor is an approximate measure of the molar volume of a molecule and is a constitutive and additive function of molecular structure (Lambert, 1967). (2) Langmuir adsorption equation - The Langmuir adsorption equation was initially ...
A to Z of Thermodynamics (1998)
by Pierre Perrot
The parachor is a function of temperature, is directly related to the structure of the molecule, and may be calculated by adding increments relating to atoms and bonds. 220 Paradigm Paradigm — From the Greek napx6er/nx, example. A.
by Zerong Wang, Uta Wille, Eusebio Juaristi
Parachor Value Parachor is an additive and constitutive molecular parameter consisting of two physical properties, molar volume and surface tension, ...
Molecular Design (2012)
Chemical Structure Generation from the Properties of Pure Organic Compounds by A.L. Horvath
Parachor is an additive property depending on the elements present in the molecule and the configuration of the atoms.
by J. Odgers, D. Kretschmer
The quantity [/'| is termed the Parachor and is a measure of the molecular volume at temperatures at which different liquids have the same surface tension. The parachor is an additive property, e.g. the value for ...
Vapour–Liquid Equilibrium (2013)
by Eduard Hála, Jiří Pick, Vojtěch Fried
is the parachor. The parachor is a measure of ...
Methods in Food Analysis (2012)
Applied to Plant Products by Maynard Joslyn
The parachor is a function of surface tension y, density of the liquid D, and density of the vapor, d, given by My14 _D_——d_ A function termed the specific refractive power of a solution is defined as (n -— 1) /D. These functions indicate that ...
by CTI Reviews
Parachor: Parachor is a scientific quantity defined according to the formula: P = γ1/4 * M / d where γ1/4isthefourth root of surface tension, M is the molar mass, and d is the density. Parachor 'hasbeen used insolving various structural problems.
Advanced Physical Chemistry (1978)
For example, parachor is an additive as well ...
Pergamon International Library of Science, Technology, Engineering and Social Studies by Jiří Bareš, Čestmír Černý, Vojtěch Fried
Solution The parachor is a measure of molecular volume at standard surface tension and is defined by the relation M. Y.1/4 [P] =##, (1) du-do where M is the molecular weight, Y the surface tension in dyne.cm- and d and d, the densities of the ...
International Series of Monographs in Chemical Engineering by S. Bretsznajder
Parachor The parachor is a constitutive quantity which characterizes a liquid compound and depends on surface tension. The surface tension of a liquid depends on the magnitude of the forces acting on the molecules at the liquid surface.
by Francis A. Gunther, Jane Davies Gunther
Parachor is a measure of molecular size. McEwAN (1948) stated that the number of monomolecular layers adsorbed on internal surfaces by montmorillonite in contact with an excess of the liquid 50 G. W. BAILEY and J. L. WHITE.
Modern dictionary (1990)
physical chemistry by Satake & Nahahiro
Parachor The physical quantity parachor means comparative volume. It is defined as where Vm is the molar volume of the liquid and 7 is its surface tension. The comparison of the parachors of different liquids is equivalent to comparison of ...
by John Daintith
parachor of revolution is a special type of elliptic paraboloid produced by rotating a parabola about its x axis. This shape is used in devices for producing a parallel beam of radiation from a point source or for focusing a parallel beam to a point, ...
by D. Brynn Hibbert, A.M. James
Although primarily an additive property, it is not without constitutive influence; parachor equivalents of atoms, groups and bonds were once used extensively in establishing molecular structures. paracyanogen. See CYANOGEN. paraffin.
by Jasvinder Singh
Parachor : A relation showing the influence of temperature upon the surface tension of a liquid - interpreted as the 187 Packing Fraction : The difference between the mass of an ...
The Whys and Whences of Chemical Nomenclature and Terminology by Alexander Senning
parachalcogen derived from paraelement and chalcogen parachor derived from para- and choros (Greek: space) parachrysotile Mg3Si2O5(OH)4, derived from para- and chrysotile – referring to this mineral's close relationship with chrysotile ...
Parachor (P) It is expressed as 1/4 P= ã [M/(D-d)] where ã= surface tension,M= molecular weight, D=density of liquid, d= density of vapour. Paraffin Paraformaldehyde Fraction of petroleum in the range 160-250°C. It is used to makefractions.
Pocket Medical Dictionary (1999)
by B. Jain Publishers Staff
Etymological and Pronouncing Literary, Scientific and Technical ... by Charles Annandale
— Parachor at-akor'dal, n. (Gr. £ beside, and chordé, a. chord.j One of the cartilaginous plates which form the first appearance of the skull in the embryo of vertebrates.
Online dictionaries and encyclopedias with entries for Parachor
Click on a label to prioritize search results according to that topic:
Scrabble value of P3A1R1A1C3H4O1R1
The value of this 8-letter word is 15 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.
Anagrams of PARACHOR
What do you get if you rearrange the letters?
See also the blanagrams of Parachor!
Share this page
Go to the pronunciation of Parachor to learn how to say it correctly!