Gilley, Frank M · Boston, Allyn & Bacon · leaf 229
poration fromthe surface of the liquid. In a given time more watercan be turned into steam by boiling than by evaporation.Engineers say that a pound of coal evaporates ten poundsof water, when they really mean boils and evaporates. Theword evaporate has usually this meaning in mechanics. 245.… … tion of molasses and water that has been allowed to fermentsome, but not enough to turn the alcohol into vinegar. Witha one-hole rubber stopper and flexible tubing connect the dipper with the condenser. Heat thewater in the boiler nearly toboiling. Then, and not tillthen, put the apparatus in…
Physics
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