Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 263
andpour cold water over the flask. Thetemperature of the water in the flaskis below 100° C, but it boils vigor-ously. The action is explained asfollows. The chilling of the flaskcondenses the vapour within and thusreduces the pressure on the surfaceof the water. The water, relievedof this pressure,… … Fio. 280.—Boiling point of aliquid lowered by decrease ofpressure. be repeated several times,the air at the beginning, the water maybe made to boil even when the temperatureis reduced to that of the room. The reason why the boiling point dependsupon the pressure is readily found. Bubblesof vapour…
Physics
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