Stewart, Balfour, 1828-1887 · Toronto : James Campbell · leaf 89
water in theflask. Now cork it tightly, and, withdrawing it fromthe lamp, invert it as in fig. 26. When it hasceased boiling, take a sponge and .pour some cold go SCIENCE PRIMERS. [HEATED water on the flask, when boiling will again begin.The reason of this is, that before the cold water waspoured… … Fig. 26. pressure ; and since water boils more easily at a lowpressure than at a high, the water in the flask began,as you saw, immediately to boil. Before leaving this part of our subject, I ought totell you that some bodies expand while others con-tract in the act of melting; that is to say, in…
Physics
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