How Much Work Will Need to Be Input to Extract $\circ$

question 21

Multiple Choice

How much work will need to be input to extract 5.0 J of heat from the cold reservoir of a Carnot refrigerator operated between 20 ^$\circ$ C and 0 ^$\circ$ C?

• A)0.23 J
• B)0.37 J
• C)0.56 J
• D)0.68 J
• E)0.71 J

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