During Each Cycle of Its Operation, a Certain Gasoline Engine

question 23

Multiple Choice

During each cycle of its operation, a certain gasoline engine consumes 500 joules of chemical energy, while exhausting 300 joules of thermal energy to the environment. The energy efficiency of this heat engine is

• A) 67%.
• B) 40%.
• C) 60%.
• D) 20%.
• E) None of the above.

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Definitions:

Cactus Wren

The largest North American wren, characterized by its distinctive white and black plumage and adaptation to desert life.

Multicellular Eukaryotes

Organisms made up of multiple cells with complex structures including a membrane-bound nucleus, found in domains such as plants, animals, and fungi.

Photosynthetic Producers

Organisms that convert light energy into chemical energy through photosynthesis, providing the base for most of Earth's food chains.

Animals

Multicellular, eukaryotic organisms in the kingdom Animalia that can move voluntarily and consume organic material.