Chemistry, 22.04.2021 23:10 kittenlover5031

In a steam engine, steam at 140°C in a turbine does work on an external system, and the steam leaves the turbine at 100°C. The efficiency of the steam engine is 5%. The relevant physical principle is a. the second law of thermodynamics
b. the first law of thermodynamics
c. operation of a heat pump
d. specific heat capacity

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