23. The Second Law of Thermodynamics
Entropy and the Second Law of Thermodynamics
Multiple Choice
Multiple ChoiceA non-Carnot heat engine operates between a hot reservoir at 610K and a cold reservoir at 320K. In a cycle, it takes in 6400 J of heat and does 2200 J of work. What is the total change in entropy of the universe over the cycle?
A
2.6 J/K
B
9.5 J/K
C
16.3 J/K
D
–2.6 J/K
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