Universe  [ENDORSED]

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Mia Navarro 1D
Posts: 52
Joined: Fri Sep 29, 2017 7:04 am

Universe

Postby Mia Navarro 1D » Sat Feb 03, 2018 3:26 pm

What type of system is the universe, and how do you know?

Isita Tripathi 2E
Posts: 52
Joined: Sat Jul 22, 2017 3:00 am
Been upvoted: 1 time

Re: Universe

Postby Isita Tripathi 2E » Sat Feb 03, 2018 3:30 pm

The universe is an isolated system because it cannot exchange heat or matter with its surroundings, as technically it has no "boundary" where you could distinguish external surroundings.

Hailey Johnson
Posts: 31
Joined: Wed Nov 16, 2016 3:04 am

Re: Universe

Postby Hailey Johnson » Sat Feb 03, 2018 4:44 pm

The universe is an isolated system because it has no boundaries that could be used to distinguish it from its surroundings, and, therefore, it cannot exchange energy or matter with its surroundings.

Jessica Benitez 1K
Posts: 50
Joined: Fri Sep 29, 2017 7:04 am

Re: Universe  [ENDORSED]

Postby Jessica Benitez 1K » Sat Feb 03, 2018 9:15 pm

Since the universe is an isolated system, it follows the first law of thermodynamics which is that the internal energy of an isolated system is constant. Therefore, the energy of the universe is constant.


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