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  Consider a bathtub filled with water, with a plug in the drain. How long would this be considered a closed system?  A. a few seconds   B. 2 hours   C. 10 hours   D. 1–2 days



Answer :

Is this a trick question?

 . . a closed system doesn't exchange any matter with its surroundings and isn't subject to any external force, it is essentially an isolated system.

In the case of a bathtub, it is open immediately to evaporation, so the truth is this system is never closed

the correct answer is E.) none of the above



Answer:

The answer is a few seconds since it is closed but the water drains after 3-5 seconds.

Explanation:

I took the test. BAM!

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