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10 POINT PLS HELP Use the second law of thermodynamics to explain why a heat engine cannot be 100 percent efficient.
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10 POINT PLS HELP

Use the second law of thermodynamics to explain why a heat engine cannot be 100 percent efficient.

User Mitesh Shah
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Answer: A heat engine cannot be 100% efficient because, according to the law, energy added as heat is always greater than energy removed as heat.

User Pinewood
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