What term describes the condition in which total heat entering a system equals total heat leaving?

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Multiple Choice

What term describes the condition in which total heat entering a system equals total heat leaving?

Explanation:
Thermal equilibrium is reached when total heat entering a system equals total heat leaving. At that point there is no net heat transfer, so the temperature stays constant. For example, a hot cup of tea in a room cools until its temperature matches the room’s, at which point heat in equals heat out and the temperature stops changing. This differs from weather, wind, or water vapor, which describe atmospheric conditions or a state of matter, not a balance of heat flow.

Thermal equilibrium is reached when total heat entering a system equals total heat leaving. At that point there is no net heat transfer, so the temperature stays constant. For example, a hot cup of tea in a room cools until its temperature matches the room’s, at which point heat in equals heat out and the temperature stops changing. This differs from weather, wind, or water vapor, which describe atmospheric conditions or a state of matter, not a balance of heat flow.

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