An introduction to the study of chemistry / by Ira Remsen.

  • Ira Remsen
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: An introduction to the study of chemistry / by Ira Remsen. Source: Wellcome Collection.

    27/410 (page 11)
    taining the gas mouth upward^ below the one containing the water. (See Pig. 5.) The above examples will suffice to prove that the differ- ed Fig. 4. ent kinds of changes, both physical and chemical, are more closely related to one another than they appear to be at first sight. In consequence of this relation, we cannot deal with chemical changes without constantly having to Fig. 5. deal with physical changes. Por a thorough understand- ing of chemical changes it is necessary to have some knowl- edge of the changes produced by heat and electricity. We