ESS55
Prof. Jin-Yi Yu
The First Law of Thermodynamics
qThis law states that
(1) heat is a form of energy that (2) its conversion
into other forms of energy is such that total
energy is conserved.
qThe change in the
internal energy of a system is equal to the heat added
to the system minus the work down by the
system:
DU = Q - W
change in internal energy
(related to temperature)
Heat added to the system
Work done by the system
