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Topic: Ideal gas --> Expansion process at constant pressure  (Read 7577 times)

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Offline wen562

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Ideal gas --> Expansion process at constant pressure
« on: September 20, 2008, 12:10:46 AM »
an ideal gas undergoes an expansion process at constant pressure. does internal energy increase or decrease?
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Offline Borek

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Re: Ideal gas --> Expansion process at constant pressure
« Reply #1 on: September 20, 2008, 03:49:11 AM »
And your thoughts?
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Offline Naumans

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Re: Ideal gas --> Expansion process at constant pressure
« Reply #2 on: October 04, 2008, 11:35:16 PM »
It will decrease since the volume increases and preasure remains the same
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Offline MOONCRICKET

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Re: Ideal gas --> Expansion process at constant pressure
« Reply #3 on: October 07, 2008, 07:14:21 PM »

The energy of the entire system is increasing, but the energy per unit area is decreasing.
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