Cp and Cv in calculating

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Hailey Boehm 2H
Posts: 71
Joined: Fri Sep 28, 2018 12:24 am

Cp and Cv in calculating

Postby Hailey Boehm 2H » Tue Jan 29, 2019 5:27 pm

How do you calculate q in a case of constant volume? I know that in a case of constant pressure you use qp= n*Cp*deltaT. Does it differ for Cv? I am confused about the relevance of Cp and Cv during calculating. Anything helps, thank you!

sharonvivianv
Posts: 63
Joined: Fri Apr 06, 2018 11:05 am

Re: Cp and Cv in calculating

Postby sharonvivianv » Tue Jan 29, 2019 5:52 pm

In 8.31 of the sixth edition they used q=n*Cv*deltaT for calculating at a constant volume.

LorenzoDuvergne3I
Posts: 60
Joined: Fri Sep 28, 2018 12:25 am

Re: Cp and Cv in calculating

Postby LorenzoDuvergne3I » Wed Jan 30, 2019 11:26 am

In both instances you use the q=n*c*delta t, but the constant for c varies whether you're keeping pressure or volume constant.


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