rk, regard- less of the nature of the substance doing Vi the work. The thermal lines represented on page that which was heat-energy has done 302 of our text, are of great value in work in overcoming molecular forces, representing to the eye the relations ex- changing the molecular aggregation and… … tions dependent upon temperature, that state of aggregation until the process is they are also dependent upon the specific reversed, when the same amount of heat volume of the substance and the pressure is given up in returning to ice. to which it is subjected, or, in other In the graphic…
Engineering
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