To keep a room at a comfortable 20.5 C, a Carnot heat pump does 315 J of
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To keep a room at a comfortable 20.5 °C, a Carnot heat pump does 315 J of work and supplies the room with 4180 J of heat.
(a) How much heat is removed from the outside air by the heat pump?
(b) What is the temperature of the outside air?
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