Solution Found!
Solved: In Example 20.4, a Carnot refrigerator requires a
Chapter 20, Problem 16DQ(choose chapter or problem)
QUESTION:
In Example 20.4, a Carnot refrigerator requires a work input of only 230 J to extract 346 J of heat from the cold reservoir. Doesn’t this discrepancy imply a violation of the law of conservation of energy? Explain why or why not.
Questions & Answers
QUESTION:
In Example 20.4, a Carnot refrigerator requires a work input of only 230 J to extract 346 J of heat from the cold reservoir. Doesn’t this discrepancy imply a violation of the law of conservation of energy? Explain why or why not.
ANSWER:Solution 16DQ
The second law of thermodynamics states that it is impossible to transfer heat from a body at a lower temperature to one at a higher temperature without doing an external work.