Germain henri hess biography book

Hess then took up the calorimetric work of Lavoisier and Laplace.

Germain Henri Hess | Law of Conservation of Energy, …

Gerlach, Theodor. Leicester, Henry M. Further reading [ edit ]. Petersburg, where he remained a member of the academic establishment for the rest of his life. View all related items in Oxford Reference ». German art. Although this can be seen in hindsight as a specific example of the law of the conservation of energy, Hess developed it two years before Julius Robert von Mayer elucidated the more general principle in Gerlach, St.

Tools Tools. German Guidelines on Human Experimentation. In , his family moved to Dorpat , Russian Empire now Tartu , Estonia , where he went to a private school for two years, and then to Dorpat Gymnasium, which he finished in Although Hess, like most of his colleagues, was involved with the discovery and analysis of new substances, he became interested in the more theoretical aspects of chemistry.

Gerloc d.

Germain henri hess biography book: Germain Henri Hess was a Swiss-Russian

Contents move to sidebar hide. Retrieved January 08, from Encyclopedia. His investigations into the nature of chemical affinity, why atoms are attracted to each other, led him to study the amounts of heat generated by chemical reactions. Geneva, Switzerland, 8 August ; d. Hess worked on minerals and on sugars, but his main work was on the theory of heat.

He died on December 13, , at the relatively young age of forty-eight. Delete Cancel Save. His textbook Fundamentals of Pure Chemistry saw seven editions and remained the standard Russian text in chemistry until He graduated as a physician, but became interested in becoming a professor of chemistry at the Institute of Technology at the University of St.

Authority control databases. In , he proposed the law of thermoneutrality, which stated that no heat is released by the exchange reactions of neutral salts in aqueous solutions. It states that in a series of chemical reactions, the total energy gained or lost depends only on the initial and final states, regardless of the number or path of the steps.

Germain Henri Hess , a Swiss chemist and pioneer in the field of thermochemistry. Chemistry: Foundations and Applications Culp, Bartow.