You happen to leave the door to your 27.9 ft³ refrigerator (rated at 458 W) open long enough that the air inside has been completely replaced by room-temperature (70.0°F) air, but no significant temperature change occurred in the food. How much would it cost to run the refrigerator to cool down the air to the original temperature 38.0°F? Your utility company rate is 13.04 cents/kWh. The coefficient of performance for this refrigerator is 3.62. Neglect the volume occupied by the food. Assume that the room is at 1 atm and that air is an ideal diatomic gas. i cents
You happen to leave the door to your 27.9 ft³ refrigerator (rated at 458 W) open long enough that the air inside has been completely replaced by room-temperature (70.0°F) air, but no significant temperature change occurred in the food. How much would it cost to run the refrigerator to cool down the air to the original temperature 38.0°F? Your utility company rate is 13.04 cents/kWh. The coefficient of performance for this refrigerator is 3.62. Neglect the volume occupied by the food. Assume that the room is at 1 atm and that air is an ideal diatomic gas. i cents
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Transcribed Image Text:You happen to leave the door to your 27.9 ft³ refrigerator (rated at 458 W) open long enough that the air inside has been completely
replaced by room-temperature (70.0°F) air, but no significant temperature change occurred in the food. How much would it cost to
run the refrigerator to cool down the air to the original temperature 38.0°F? Your utility company rate is 13.04 cents/kWh. The
coefficient of performance for this refrigerator is 3.62. Neglect the volume occupied by the food. Assume that the room is at 1 atm and
that air is an ideal diatomic gas.
cents
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