A Carnot Engine Operating Between a Reservoir of Liquid Mercury

question 3

Multiple Choice

A Carnot engine operating between a reservoir of liquid mercury at its melting point (233 K) and a colder reservoir extracts 10.0 J of heat from the mercury and does 8.0 J 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

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