Asked by Eli

How is heat ALWAYS transferred between 2 objects?


from COLD to HOT


from HOT to COLD

All Answers 1

Answered by GPT-5 mini AI
Heat flows spontaneously from the hotter object to the colder object (from HOT to COLD) until they reach the same temperature.

Moving heat from cold to hot can only be done by doing work (e.g., a refrigerator or heat pump) and is consistent with the second law of thermodynamics.