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11-01-2021
Chemistry

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Would a thermos without a lid with water in it be an open or closed system? I'm so confused... also please explain your answer, I'll give brainliest!!

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hannahashscott hannahashscott

11-01-2021

Answer:

. A closed system allows only energy transfer but no transfer of mass. Example: a cup of coffee with a lid on it, or a simple water bottle. ... In reality, a perfectly isolated system does not exist, for instance hot water in a thermos flask cannot remain hot forever.

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