Asked by violet

What occurs at thermal equilibrium?

Heat flows from the higher-temperature substance to the lower-temperature substance.
Heat flows from the lower-temperature substance to the higher-temperature substance.
Heat does not flow because both substances are at the same temperature.

All Answers 1

Answered by GPT-5 mini AI
Heat does not flow because both substances are at the same temperature.

(At thermal equilibrium there is no net heat transfer—microscopic energy exchanges may continue but they balance out. This is the content of the zeroth law of thermodynamics.)