www.instituteofscience.com
[Q] Primacy of Atomic #: Contemporary Applications. S.H. Shakman 1.DISSOCIATIVE IONIZATION OF WATER VAPOR: A modern model*1 J.H.Miller,etal.,J.CHEM.PHYS.(1 Ja 1987) p. 161, 157.
predicts a "branching ratio" for hydrogen of about half that
observed(*1); which model coincidentally uses a contemporary
weight value for hydrogen of about half that proposed
by Flint(*2) and supported by recent studies(*3).
2.SOLUTE DIFFUSION (D) may be 3.APPARENT EQUILIBRIUM
approximated(Dc) as inverse-sq. DISTRIBUTION COEFFICIENTS
-root of Z' (or as inverse- (ED) of salts in silica gel
square-root of relative anhy- water may be approximated
drous weight) (*2) in accord (EDc) as sq.-root of Z' (or
with Graham's law. relative anhydrous wt.)(*2)
SOLUTE D Ref Z Dc Error SALT ED*6 Z EDc Error
Water*2 2.14 *4 9 2.14 BASE HNO3 .493 32 .510 -.03
NH3 1.96 *5 10 2.03 -.03 NaNO3 .519 42 .584 -.11
CO2 1.32 *5 22 1.37 -.04 LiNO3 .534 34 .525 .02
Urea 1.18 *4 32 1.14 .04 NH4NO3 .577 42 .584 -.01
SO2 1.23 *5 32 1.14 .08 KNO3 .698 60 .698 BASE
H2SO4 1.06 *5 50 .91 .16 RbNO3 .784 68 .743 .06
Sucrose .52 *4 171 .48 .08 CsNO3 1.000 91 .860 .16
*2 FLINT,L.H.,Behavior Patterns of Hydration (1964), 21:
Z'=Z + C (valence); Flint assumed water = H2O-, with Z'=9.
*3 SHAKMAN,S.H.,AAAS Abstracts 1986/#212, 1987/#110.
*4 ADAMSON, A.W., A Textbook of Physical Chem.(1979),p.370.
*5 LEAIST, D.G., J. Phys. Chem. (ACS), 1987, 91, 4635-38.
*6 DALTON etal.(1962),J.Colloid Sci.;per LING,G.N.(1984)274.
"Until the string people can interpret perceived properties of the real world, they simply are not doing physics. Should they be paid by universities and be permitted to pervert impressionable students?" Sheldon Glashow, The Sciences, May/June 1988, p. 25.
BOOKS
Copyright
1987
S H
Shakman (TXu271794). All rights reserved. Proposed for 1988 AAAS Meeting, AAAS # 0925.16; withdrawn 25 Sept. 1987. [HOME]