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Although Energy Cannot Be Created or Destroyed, Energy Transformations Are

Question 56

Multiple Choice

Although energy cannot be created or destroyed, energy transformations are not 100% efficient. Why?


A) Energy is lost as an increase in heat.
B) Energy is lost as an increase in entropy.
C) Energy is lost as a change in free energy.
D) Energy is lost as a decrease in heat.
E) Energy is lost as a decrease in entropy.

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