Answer :
Final answer:
The second law of thermodynamics states that heat flows from a region of higher temperature to a region of lower temperature. Without a window opening, heat cannot be efficiently removed from the room, and the air conditioner will not work.
Explanation:
The second law of thermodynamics states that heat will always flow from a region of higher temperature to a region of lower temperature, and it is not possible to transfer heat from a cooler region to a hotter region without the input of external work. In the case of an air conditioner, heat is removed from the room and expelled outside through a window opening. Without a window opening, there would be no way for the heat to be efficiently removed, and the room would not be cooled. Therefore, the salesperson's claim that a new and improved air conditioner does not need a window opening is not consistent with the principles of thermodynamics.
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