Question: 2 1 . A gasoline engine absorbs 2 5 0 0 J of heat and performs 1 0 0 0 J of mechanical work in

21. A gasoline engine absorbs 2500 J of heat and performs 1000 J of mechanical work in each cycle. The amount of heat expelled in each cycle is a.1000 Jb.1500 J.2000 J500 Je.3000 J

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