, and his books were arranged by molecular weight. To Elias, life was a series of balanced equations. If he spent energy on a lecture (an process), he balanced it with a quiet evening of reading (an endothermic absorption of knowledge).

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Versión en español de la obra Chemistry, 5th edition, por Charles E. Mortimer. ... Company, Belmont, California, [Link]., O 1983. Quimica : Charles E. Mortimer - Internet Archive