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← ScienceDuring ethylene production using a cracking furnace, which consequence results when the Carnot efficiency approaches ideal limits?
A)Coke formation accelerates within heating coils
B)Ethylene selectivity decreases dramatically overall
C)Process runtime is nearly infinite✓
D)Exothermic reactions bypass desired equilibrium
💡 Explanation
As the Carnot efficiency rises, the temperature difference must diminish, and therefore the temperature of the cold reservoir must rise toward that of the hot, because to reach idealization temperature differences must trend toward zero. Thus runtime increases greatly, rather than operating normally or reaching chemical equilibirum without constraint.
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