enthalpy
/ˈɛnθəlpi/
noun
- A measure of the total heat energy in a system, used in physics and chemistry to describe energy changes during reactions or processes.
- In chemistry class, we learned how to measure the change in enthalpy during combustion.
- The enthalpy of the reaction tells us how much heat is released or absorbed.
- Engineers calculate enthalpy to design more efficient power plants.