These remarks may be summarized as follows. If we write w for the work done on a system, q for the energy transferred as heat to a system, and ΔU for the resulting change in internal energy, then it follows that
These remarks may be summarized as follows. If we write w for the work done ona system, q for the energy transferred as heat to a system, and ΔU for the resultingchange in internal energy, then it follows that