Quarterly Journal of the Chemical Society of London, Volume 1 |
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Page 66
... range of several tens of degrees . For example , if the error in the determination of pK of the base is ± 0.02 unit , and the temperature intervals are 2 ° over the total range 20-30 ° , the standard deviation in AH is 970 cal . mole1 ...
... range of several tens of degrees . For example , if the error in the determination of pK of the base is ± 0.02 unit , and the temperature intervals are 2 ° over the total range 20-30 ° , the standard deviation in AH is 970 cal . mole1 ...
Page 69
... range there is no crossing of the plots of the different bases . From the very low values of the slopes it also appears that the relative order of the pK values of the nitroanilines will remain the same over an extended temperature range ...
... range there is no crossing of the plots of the different bases . From the very low values of the slopes it also appears that the relative order of the pK values of the nitroanilines will remain the same over an extended temperature range ...
Page 458
... range of anions in water and acetonitrile ; N - methyl- acridinium perchlorate 105м , anion concentration in the range 5 × 10- to 10-2M , sodium perchlorate as ionic buffer Values of kv ( 1. mole - 1 ) Water No Quencher buffer buffer ...
... range of anions in water and acetonitrile ; N - methyl- acridinium perchlorate 105м , anion concentration in the range 5 × 10- to 10-2M , sodium perchlorate as ionic buffer Values of kv ( 1. mole - 1 ) Water No Quencher buffer buffer ...
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