Final answer:
When a metal spoon is placed in hot tea, thermal equilibrium is reached. The air inside a room feels the same temperature as the walls and furniture due to thermal equilibrium.
Explanation:
When a metal spoon is placed in a cup of hot tea, the temperature of both the tea and the spoon will eventually reach thermal equilibrium. This means that heat will transfer from the hotter substance (the tea) to the cooler substance (the spoon) until they both reach the same temperature.
After a while, the air inside a room feels the same temperature as the walls and furniture because of the process of thermal equilibrium. Heat transfer occurs between objects until they reach the same temperature, leading to a balance of thermal energy throughout the room.
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