Merchant, F. W. (Francis Walter), 1855-1937, Fessenden, Cortez, b. 1852 · Toronto : Copp, Clark · leaf 150
are inthe ratio, 1:4, that is, y/1: j/16. The diffusion of gases is of great importance in theeconomy of nature. If gases would float on one another,as oil on water, or water on mercury, the present formsof life could not exist. The requisite proportion ofnitrogen to oxygen in the air would not be… … III.—Occlusion.Experiment 1- Heat a piece of charcoal to redness in a flame, allow it tocool, and introduce it into a tube, filled with ammonia gas asin Experiment 8, page 132. Place the tubein a vertical position with its open end inmercury (Fig. 113). What change takes place in the volume of…
Physics
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