Internal Energy


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Ashley Kenney 1E
Posts: 32
Joined: Wed Nov 14, 2018 12:23 am

Internal Energy

Postby Ashley Kenney 1E » Fri Feb 01, 2019 11:57 pm

The textbook states that the internal energy of a monatomic ideal gas at a constant temperature is . How is this expression derived?
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MaanasO 1A
Posts: 72
Joined: Fri Sep 28, 2018 12:26 am

Re: Internal Energy

Postby MaanasO 1A » Sat Feb 02, 2019 11:05 am

Hi Ashley!

This equation relates to the kinetic energy of gas molecules. The derivation is mathematically rigorous, but you can check out the derivation here: http://hyperphysics.phy-astr.gsu.edu/hb ... ke.html#c1

Hope that helps!
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Jordan Lo 2A
Posts: 85
Joined: Fri Sep 28, 2018 12:25 am

Re: Internal Energy

Postby Jordan Lo 2A » Tue Feb 05, 2019 3:48 pm

Do we need to know this for the midterm? It's not on Outline 3
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Lisa Werner 2F
Posts: 72
Joined: Fri Sep 28, 2018 12:17 am

Re: Internal Energy

Postby Lisa Werner 2F » Tue Feb 05, 2019 7:25 pm

Dr. Lavelle explained it in lecture and it is required for several homework problems, so I think he considers it fair game for the midterm.
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