COOKING

Why would an unopened can of soda be considered an open system?

“Many scientists say “There is no such thing as a closed system in the universe.” For example, even an unopened can of soda is an open system. Explain why an unopened can of soda would be considered an open system.”

Does anyone know?

an unopened can of soda can be considered a “storage battery” for heat… heat will flow in, be stored and later flow back out… imagine a wall built of such cans, absorbing the sunlights heat keeping you cool and at night blocking winds or breeze and keeping you warm….. they are “open” to heat transfer.

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