Journal of the Chemical SocietyThe Society., 1948 |
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Page 1448
... energy of a molecule at ordinary temperatures may be regarded as being composed of its chemical binding energy , its zero - point vibrational energy , and its heat content relative to the molecule at 0 ° K. The last two quantities have ...
... energy of a molecule at ordinary temperatures may be regarded as being composed of its chemical binding energy , its zero - point vibrational energy , and its heat content relative to the molecule at 0 ° K. The last two quantities have ...
Page 1452
... energy level diagram in the figure . In the first colums the n - compound used as reference is given , and in the ... energy levels in hydrocarbons ( cf. Table ÏÏI ) . E Elements in standard states Zero - point energy B Qƒ ( B ) = - AHƒ ...
... energy level diagram in the figure . In the first colums the n - compound used as reference is given , and in the ... energy levels in hydrocarbons ( cf. Table ÏÏI ) . E Elements in standard states Zero - point energy B Qƒ ( B ) = - AHƒ ...
Page 1453
... energy . Benzene Toluene o - Xylene m - Xylene p - Xylene Binding Sum of binding- AQfo . energy . energy terms . ( a ) . ( b ) . ( a ) . ( b . 1034.0 1095.7 1056.3 1059-0 39.4 36.7 1268-1 1346.6 1305.2 1310-6 41.4 36.0 1502.1 1598-1 ...
... energy . Benzene Toluene o - Xylene m - Xylene p - Xylene Binding Sum of binding- AQfo . energy . energy terms . ( a ) . ( b ) . ( a ) . ( b . 1034.0 1095.7 1056.3 1059-0 39.4 36.7 1268-1 1346.6 1305.2 1310-6 41.4 36.0 1502.1 1598-1 ...
Contents
acetic acid | 963 |
The isolated base 2 5 g m p 125 with frothing was readily soluble in most organic solvents | 6 |
addition of zinc dust 0 2 g during 15 minutes followed by heating on the steambath for hour | 114 |
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4-trimethyl absorption acetic anhydride acetone acetyl added alcohol alkaline Amer amine ammonia atoms bands benzaldehyde benzene boiling bromine Calc carbon CH₂ Chem chloroform colourless needles compound concentrated hydrochloric acid condensation cooled crystallised crystals D.Sc decomp derivative diazotised dilute dissolved distilled dried electrons energy equiv ester ethanol ether ethyl acetate evaporated experimental extracted filtered filtrate formation formed Found fraction gave give glacial acetic acid heated hydrocarbon hydrochloric acid hydrogen chloride hydrolysis iodine isolated ketone light petroleum m. p. and mixed method methyl mixed m. p. mixture molecular molecule nitrogen obtained orbitals oxidation polysaccharide potassium hydroxide precipitated prepared prisms proflavine pyridine reaction refluxed removed requires residue resonance room temperature salt separated sodium hydroxide solid soluble solution solvent stirred structure substance sulphate sulphuric acid surface vacuum values washed yellow needles yield