<Dd> <Dl> <Dd> Δ U s y s t e m = Q − W (\ textstyle \ Delta U_ (\ rm (system)) = Q-W) </Dd> </Dl> </Dd> <Dl> <Dd> Δ U s y s t e m = Q − W (\ textstyle \ Delta U_ (\ rm (system)) = Q-W) </Dd> </Dl> <Dd> Δ U s y s t e m = Q − W (\ textstyle \ Delta U_ (\ rm (system)) = Q-W) </Dd> <Dl> <Dd> In the case of a thermodynamic cycle of a closed system, which returns to its original state, the heat Q supplied to the system in one stage of the cycle, minus the heat Q removed from it in another stage of the cycle, plus the work added to the system W equals the work that leaves the system W . </Dd> </Dl>

Who came up with the law of thermodynamics