Formulas for monatomic vs diatomic gases


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Cristina Sarmiento 1E
Posts: 52
Joined: Wed Nov 16, 2016 3:02 am

Formulas for monatomic vs diatomic gases

Postby Cristina Sarmiento 1E » Tue Feb 13, 2018 11:01 pm

What formulas do you use when it is a) monatomic gas b) diatomic gas?

Evelyn L 1H
Posts: 67
Joined: Fri Sep 29, 2017 7:05 am

Re: Formulas for monatomic vs diatomic gases

Postby Evelyn L 1H » Tue Feb 13, 2018 11:10 pm

Monoatomic: 3/2R
Diatomic: 5/2R

Liam Maxwell 2E
Posts: 53
Joined: Fri Sep 29, 2017 7:07 am

Re: Formulas for monatomic vs diatomic gases

Postby Liam Maxwell 2E » Tue Feb 13, 2018 11:12 pm

Those are the formulas for constant volume, if asked for constant pressure add R to those values. This would give you Cp(monatomic)=5/2R and Cp(diatomic)=7/2R


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