Introduction to The 1st Law of Thermodynamics
We begin by drawing a boundary line to define the
systemwe will analyze.
systemcan consist of many devices.
We are interested in the total energy within the
systemand energy that crosses the
system boundaryline: heat and work.
We need to define a
sign conventionfor heat and for work.
First Law of Thermodynamicsis the relationship between heat, work and the total energy of the
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