Final answer:
The statement is True; the interior walls of a chest freezer are used to remove heat from its contents through a refrigeration cycle, involving heat transfer, work, and energy conservation with the door closed.
Step-by-step explanation:
Typically, the interior walls of a chest freezer are indeed used to remove heat from the contents, which makes the statement True. The process involves a heat transfer system where the freezer extracts heat from the interior and expels it to the outside environment. This is achieved through a cycle of refrigeration where a refrigerant absorbs heat when it evaporates at a low pressure inside the freezer's coils and then releases that heat when it is compressed and condensed outside the freezer. When the door of the freezer is closed, energy is conserved within the system, as no heat enters or leaves until the door is opened again. The conservation of energy and the removal of heat are constant while the freezer operates to maintain a cold environment.