If the compressor in a refrigerator requires 300 J of energy to cool the refrigerator by 1.0 degrees C ?

What is the change in the refrigerator’s thermal energy? Assume the refrigerator contains 1.00 kg of air (Cair = 1.0 * 10^3 J/(kg •K)). 

az_lender2021-02-04T22:25:34Z

(1000 J/(kg*K)) * (-1.0 K) * (1.00 kg) = -1000 J.