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ERIC Number: EJ918406
Record Type: Journal
Publication Date: 2010-Jul
Pages: 3
Abstractor: As Provided
Reference Count: 18
ISSN: ISSN-0021-9584
From Joule to Caratheodory and Born: A Conceptual Evolution of the First Law of Thermodynamics
Rosenberg, Robert M.
Journal of Chemical Education, v87 n7 p691-693 Jul 2010
In the years after Joule's experiment on the equivalence of heat and work, it was taken for granted that heat and work could be independently defined and that the change in energy for a change of state is the sum of the heat and the work. Only with the work of Caratheodory and Born did it become clear that heat cannot be measured independently, that the change in energy is equal to the adiabatic work, and that heat is equal to the difference between energy change and work for a nonadiabatic process for the same change of state. (Contains 3 notes.)
Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A