Open System

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Aya Shokair- Dis 2H
Posts: 58
Joined: Fri Sep 29, 2017 6:07 am

Open System

Postby Aya Shokair- Dis 2H » Sun Jan 21, 2018 9:08 pm

What are three ways you can increase the internal energy?
(chap 8, excerise 2)

Ekayana Sethi 2K
Posts: 47
Joined: Wed Nov 16, 2016 3:03 am
Been upvoted: 1 time

Re: Open System

Postby Ekayana Sethi 2K » Sun Jan 21, 2018 9:10 pm

to change internal energy you can add or subtract matter to or from the system, do work on it or make it do work and add heat or subtract heat from it.
since it is specifically asking how to increase internal energy it can be done by adding heat to it, adding matter and doing work on it.

Jessica Patzlaff 1A
Posts: 28
Joined: Fri Sep 29, 2017 6:05 am

Re: Open System

Postby Jessica Patzlaff 1A » Sun Jan 21, 2018 9:11 pm

As far as increasing the internal energy, you could add matter to the system, compress it which would be doing work on the system, and heating the system.

Daniisaacson2F
Posts: 30
Joined: Sat Jul 22, 2017 2:00 am

Re: Open System

Postby Daniisaacson2F » Wed Jan 24, 2018 8:50 pm

It also depends what kind of system you are trying to increase the q on; you cannot add or remove a substance from a closed system because matter cannot be transferred. However, for a closed system, you can do work on it or change the temperature.

Sandhya Rajkumar 1C
Posts: 50
Joined: Fri Jun 23, 2017 10:40 am

Re: Open System

Postby Sandhya Rajkumar 1C » Sun Jan 28, 2018 2:41 pm

In order to increase the energy of an open system, you can add substance to the system, heat the system, or do work on the system. In order to increase the energy of a closed system, you can heat the system or do work on the system. The energy of an isolated system is constant because no matter or heat can be transferred and the system cannot be physically changed.

Abby Ellstrom 1I
Posts: 53
Joined: Fri Sep 29, 2017 6:04 am

Re: Open System

Postby Abby Ellstrom 1I » Mon Jan 29, 2018 10:08 pm

The three ways include adding/subtracting matter from a system, adding or removing heat energy from a system, or applying work on or from a system.

Sarah 2F
Posts: 33
Joined: Fri Sep 29, 2017 6:06 am

Re: Open System

Postby Sarah 2F » Tue Jan 30, 2018 11:46 am

1. Add or subtract matter
2. Add or subtract heat
3. do work on it

Josh Moy 1H
Posts: 58
Joined: Thu Jul 13, 2017 2:00 am

Re: Open System

Postby Josh Moy 1H » Wed Feb 07, 2018 10:30 am

you can increase energy via:
1. Add or subtract matter
2. Add or subtract heat
3. do work on it


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