33
/es/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
4657846
436032
2
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Crear
Create a timeline
Public timelines
Library
FAQ

1 mayo 1840 año - 'Heat of Reaction' began describing the first law of thermodynamics

Descripción:

In 1840, Germain Hess stated a conservation law for the so-called 'heat of reaction' for chemical reactions.

Añadido al timeline:

History & Dietetics

ByKatelynne Burghardt, MS, RDN, LD, CEDRD (She/Her)
22 abr 2021
0
0
1369

fecha:

1 mayo 1840 año
Ahora mismo
~ 185 years ago
About & FeedbackAcuerdoPrivacidadBibliotecaFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL