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When kinetic energy changes into potential energy, it undergoes an energy .
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Air is contained in a variable-load piston-cylinder device equipped with a paddle wheel. initially, air is at 400 kpa and 17Β°c. the paddle wheel is now turned by an external electric motor until 75 kj/kg of work has been transferred to air. during this process, heat is transferred to maintain a constant air temperature while allowing the gas volume to triple. calculate the required amount of heat transfer in kj/kg.
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Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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When kinetic energy changes into potential energy, it undergoes an energy ....
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