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A car engine takes atmospheric air in at 20oC, no fuel, and exhausts the air at 20oC producing work in the process. What do the
A car engine takes atmospheric air in at 20oC, no fuel, and exhausts the air at –20oC producing work in the process. What do the first and the second laws say about that?
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WQH Q change in energy of air OK Energy Eq ...
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