The temperature inside your apartment is 70 F, while the outside temperature is 50 F. Due to this temperature difference, your apartment loses 100 kJ of heat to the outside. A. What is the *%&'" of this process? B. Based on your answer to Part A, is this process spontaneous, reversible, or physically impossible? C. Now consider the case where you design a Carnot heat engine that uses your apartment as the heat sink and the outside surroundings as the cold sink. How much work would be produced by the engine? What would the efficiency be? D. During which season of the year (i.e., spring, summer, fall, or winter) would the Carnot heat engine described in Part C be most efficient