Open, closed, and isolated

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kanikubari
Posts: 30
Joined: Fri Dec 07, 2018 12:18 am

Open, closed, and isolated

Postby kanikubari » Sun Jan 27, 2019 8:49 pm

8.1, How can you tell which one is open, closed , or isolated?

Shivangi_2J
Posts: 65
Joined: Fri Sep 28, 2018 12:15 am

Re: Open, closed, and isolated

Postby Shivangi_2J » Sun Jan 27, 2019 9:00 pm

An open system can exchange both matter and energy with the surroundings. Examples of open systems are automobile engines and the human body. A closed system has a fixed amount of matter, but it can exchange energy with the surroundings. An example of a closed system is a cold pack used for treating athletic injuries. An isolated system has no contact with its surroundings. We can think of an isolated system as sealed inside rigid, thermally insulating walls (like a sealed vacuum flask or a thermos).


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