Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 262
urevaries 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 boilingl>oint 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…
Physics
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