chapter 18
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the lowest temp possible in nature is
-273 degrees
entropy is closely related to the
2nd law of thermodynamics
100 joules of heat is added to a system that preforms 60 joules of work. the internal energy change of the system is
40 j
the 1st law of thermodynamics is a restatement of the
conservation of energy
suppose the temp of the input reservoir in a heat engine doesn't change. As the sink temp is lowered the efficency
increases
suppose you put a closed, sealed can of air on a hot stove burner. The contained air will undergo an increase in
internal energy, temperature and pressure
