FIGURE P21 46 shows a Carnot heat engine driving a Carnot refrigerator a Determine Q 2 , Q 3 , and Q 4 b Is Q 3 greater than, less than, or equal to Q 1 c Do these two devices, when operated together in this way, violate the second law 600 K 500 K Q1 1000 J Carnot Carnot heat refrigerator W out Wn engine in Q2 400 K 300 K FIGURE P21 46

Question: FIGURE P21.46 shows a Carnot heat engine driving a Carnot refrigerator. a. Determine Q 2 , Q 3 , and Q 4 . b. Is

FIGURE P21.46 shows a Carnot heat engine driving a Carnot refrigerator.
a. Determine Q₂, Q₃, and Q₄.
b. Is Q₃greater than, less than, or equal to Q₁?
c. Do these two devices, when operated together in this way, violate the second law?

600 K 500 K Q1= 1000 J Carnot Carnot heat refrigerator W. out Wn engine in Q2 400 K 300 K FIGURE P21.46

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