Internal energy

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Common symbols

U {\displaystyle U}

Derivations from other quantities

Δ U = ∑ i p i E i {\displaystyle \Delta U=\sum _{i}p_{i}E_{i}\!} Δ U = n C V Δ T {\displaystyle \Delta U=nC_{V}\Delta T\!}

In SI base units

m2⋅kg/s2

SI unit

J