Problems:

5.25

5.35, 5.36

5.59

Answers:
5.59   (a) $0.82/day, (b) $ (T_H - 278K)²*(1.0667)/T_H per day

Hints:
You may want to follow these steps

• Read EACH word.
• Draw a schematic of the device.
• Determine the Carnot "efficiency" for the device.
• Compare the claim to the Carnot.

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