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No system is completely closed off from its surroundings. Which represents a system that is almost completely closed?



A.

a pot of boiling water



B.

a washing machine



C.

a capped soda bottle



D.

a wood-burning fireplace

Verified Answer :

I think the correct answer from the choices listed above is option A. It would be a pot of boiling water that represents a system that is almost completely closed since there is no mass flow and there is a very minimal heat transfer. Hope this answers the question.

Answer:

I'd say C. since unless its opened by someone, it would be temporarily closed off.

Explanation: