The first law of thermodynamics:
where
, 
is the work done on the system, and
is all the other kinds of work done on the system ( is usually taken to be zero). So, we can write the first law of thermodynamics as:
The first law of thermodynamics:
where
, is the work done on the system, and is all the other kinds of work done on the system ( is usually taken to be zero). So, we can write the first law of thermodynamics as:
