Multiple Choice
A Carnot engine operating between a reservoir of liquid mercury at its melting point (233 K) and a colder reservoir extracts of heat from the mercury and does
of work during each cycle.What is the temperature of the colder reservoir?
A) 47 K
B) 186 K
C) 163 K
D) 207 K
Correct Answer:

Verified
Correct Answer:
Verified
Q28: The compressor in a certain Carnot refrigerator
Q29: A 2.0-kg block of aluminum at 50°C
Q30: A coal-fired plant generates 600 MW of
Q31: A real (non-Carnot)heat engine,operating between heat reservoirs
Q32: At atmospheric pressure,45 moles of liquid helium
Q34: An ice cube at 0°C is placed
Q35: A heat engine takes 2.0 moles of
Q36: A hot piece of iron is thrown
Q37: During each cycle of operation,a refrigerator absorbs
Q38: A Carnot cycle engine operates between a