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Topic: Universal Gas constant....  (Read 3851 times)

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Offline rosco_pk

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Universal Gas constant....
« on: October 19, 2008, 02:14:45 PM »
Why for the universal gas constant is Joules used as the unit for pV and not Pascals and Meters3???
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Offline Borek

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Re: Universal Gas constant....
« Reply #1 on: October 19, 2008, 02:33:26 PM »
Good question, one that you should be able to solve by yourself.

What is J?

Hint: Pa is N/m2.
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Offline rosco_pk

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Re: Universal Gas constant....
« Reply #2 on: October 19, 2008, 03:29:24 PM »
i see now, because Pa are Nm-2 when multiplied by the m3 for the volume you are left with a Newton Meter which is the equivelant of one Joule!

Thanks for the pointer. I presume that is correct though!

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