Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 262
ssurevaries with the volatility of the liquid. This may be shownby introducing other liquids—say alcohol or water—intobarometer tubes, and noting the pressure as indicated bythe depression of the mercury. At 20° C. the depression foralcohol is about 44 mm. and for water 17.5 mm. 286. Evaporation… … Fig. 278.—Determina-tion of the boilingpoint of a liquid. materially retards the rate of evaporation. When the ether isintroduced into the barometer tube, the mercury rapidly fallsas far as it will go, but when ether is enclosed in a tube alongwith air over mercury, it will be several hours before…
Physics
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