Question

why is morning cup of tea called open system​

Answer 1

Answer:

For example, hot coffee in an open cup is an open system because it releases energy (heat) to the surrounding and we it can exchange matter (coffee) with the surroundings by taking out (drinking) or putting in (pouring).

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Answer 2

Answer:

This is because the energy ( heat ) in the tea moves to the surrounding area..........An open system means that energy ( like heat ) can freely flow in and out of the room.

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