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


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