Effects of an electrolyte on the activities of water and alcohol in mixtures
dc.contributor.author
Shaw, Robert
en
dc.date.accessioned
2019-02-15T14:21:33Z
dc.date.available
2019-02-15T14:21:33Z
dc.date.issued
1930
dc.description.abstract
en
dc.description.abstract
(1) An air-bubbling method has been devised for
the determination of the partial pressures of
water and alcohol in mixtures, in which the
volume of air required is less than a litre.
en
dc.description.abstract
(2) The partial vapour pressures of water and
alcohol have been measured at 25°C, in mixtures
containing no solute and in mixtures containing
lithium chloride at concentrations of o. 5 m,
1.0 and 4.0 m. Similar measurements have
been made at 35°0. with a concentration of
1.0 m and also with no solute.
en
dc.description.abstract
(3) It has been shown that, in water.alcohol mixtures,
lithium chloride lowers the activity of water,
while it may either lower or raise that of
alcohol, depending on the composition of the
solvent and the concentration of lithium chloride.
The fractional lowering, in the case of water,
is always greater than that in the case of
alcohol.
en
dc.description.abstract
(4) An approximately linear relation has been
established between the relative activities of
both water and alcohol, and the molar fraction
of alcohol in the solvent.
en
dc.description.abstract
(5) The latent heats of evaporation of water and
alcohol in mixtures containing no electrolyte,
and in mixtures with lithium chloride at a
concentration of 1.0 m as solute,have been
calculated, but these results do not appear to
be very significant.
en
dc.identifier.uri
http://hdl.handle.net/1842/33920
dc.publisher
The University of Edinburgh
en
dc.relation.ispartof
Annexe Thesis Digitisation Project 2019 Block 22
en
dc.relation.isreferencedby
en
dc.title
Effects of an electrolyte on the activities of water and alcohol in mixtures
en
dc.type
Thesis or Dissertation
en
dc.type.qualificationlevel
Doctoral
en
dc.type.qualificationname
PhD Doctor of Philosophy
en
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