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Conversion of heat energy completely into work violates:

Correct answer: C. 2nd law of thermodynamics

  • A. Zeroth law of thermodynamics
  • B. 1st law of thermodynamics
  • C. 2nd law of thermodynamics
  • D. 1st and 2nd law of thermodynamics

Explanation

According to this law,it's impossible for an engine to extract heat from a hot reservoir and convert it completely into useful work. All engines lose some heat to the environment.

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About Thermal Equilibrium and Heat

Thermal equilibrium means that bodies in contact have the same temperature and no net heat flows between them. The topic distinguishes heat from temperature, uses the zeroth law of thermodynamics, and covers heat transfer, specific heat capacity, thermal expansion and the conditions for reaching equilibrium.

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