Tag
Internal Energy
Entries tagged internal energy.
2 entries
Concept
Internal energy
Internal energy is the total kinetic and potential energy stored in the random microscopic motion and configuration of the particles making up a substance, as distinct from any energy the object has by moving or sitting high up as a whole.
7 min
ConceptThe first law of thermodynamics
The first law of thermodynamics says a system's internal energy can only change by heat crossing its boundary or work being done on or by it, and the change equals exactly the heat added minus the work done by the system: delta-U = Q - W.
8 min