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Chemistry, 03.02.2021 22:30 Greghairston9813

Which scenario is an example of a closed system? You leave your hot cup of cocoa on the kitchen counter, and it eventually comes to room temperature.
You are cooking a pot of chili on the stove.
You put a cup of hot chocolate in the refrigerator, and it cools off.
You store a liquid in an airtight, uninsulated container.

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