Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 153
... Acetic acid and cyclohexane Рт PA Ps TABLE 4 Activity and surface tension data * at 30 ° Mole fraction of acid . Molarity of solution with respect to acid . Activity coefficient of acid . maf2 . Surface tension in dynes cm . - 1 . % 2 1 ...
... Acetic acid and cyclohexane Рт PA Ps TABLE 4 Activity and surface tension data * at 30 ° Mole fraction of acid . Molarity of solution with respect to acid . Activity coefficient of acid . maf2 . Surface tension in dynes cm . - 1 . % 2 1 ...
Page 154
... acetic acid and propionic acid . In each case there is a relatively large negative adsorption of acid ( preferential ... acetic 0-1 0.05 0 -0.05 M - 0 -01 -0-15 -0-20 02 1 06 1.0 FIGURE 1 Surface excess ( TM ) isotherms for the systems ...
... acetic acid and propionic acid . In each case there is a relatively large negative adsorption of acid ( preferential ... acetic 0-1 0.05 0 -0.05 M - 0 -01 -0-15 -0-20 02 1 06 1.0 FIGURE 1 Surface excess ( TM ) isotherms for the systems ...
Page 259
... acetic acid ( 4 ml . ) to which perchloric acid ( 70 % , 2 ml . ) was added . The mixture was heated to ca. 60 ° to effect homogeneity and left for 1 hr . Diethyl ether ( 25 ml . ) was added and the precipitated white solid filtered off ...
... acetic acid ( 4 ml . ) to which perchloric acid ( 70 % , 2 ml . ) was added . The mixture was heated to ca. 60 ° to effect homogeneity and left for 1 hr . Diethyl ether ( 25 ml . ) was added and the precipitated white solid filtered off ...
Contents
Physical organic chemistry | 1 |
Topochemistry Part XXX Crystal and molecular structures of chalcone | 11 |
Conformational studies Part I Crystal and molecular structures of cis12dipchlorobenzoyl and cis | 17 |
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4-nitroaniline A. R. Katritzky acetic acid activation energy alcohol Amer amine anion aqueous aromatic aryl-methyl ation axial benzene bond bond dissociation energies bromination calculated carbanion carbon acids catalyst Chem chemical shifts Chemistry chloride compounds concentration conformation corresponding coupling constants crystal cyclohexane derivatives deviations dilute dimethyl sulphoxide dipole electron equation ether ethylene experimental Figure fluorene formation fraction H₂O hydrocarbons hydroxide increase indicators interactions intermediate ionisation isomer isomerization isotope effect k₁ k₂ kcal kcal./mole kinetic Mc./sec measured mechanism methanol methyl mixture mole mole-¹ molecular molecules n.m.r. spectra nitrogen nucleophilic observed obtained oxide oxygen parameters phenyl Phys piperidine proton pyridines R. P. Bell radical rate constants ratio reaction relative ring selenophen shown shows signal sodium solution solvent spectrum structure substituted t-butyl Table temperature Tetrahedron thiophen transition tri-o-thymotide triethylamine triphenylmethane wave