6th edition 8.31


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Tyra Nguyen 4H
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Joined: Fri Sep 28, 2018 12:25 am

6th edition 8.31

Postby Tyra Nguyen 4H » Wed Feb 06, 2019 6:57 pm

8.31 Calculate the heat released by 5.025 g of Kr(g) at
0.400 atm as it cools from 97.6 oC to 25.0 oC at (a) constant pressure and (b) constant volume. Assume that krypton behaves as an ideal gas.

I don't really know where to start with this problem or what equations to even use.

Matthew Tran 1H
Posts: 165
Joined: Fri Sep 28, 2018 12:16 am

Re: 6th edition 8.31

Postby Matthew Tran 1H » Wed Feb 06, 2019 10:34 pm

Treat this problem as you would any heat capacity problem. You should be using the relations and just as you would use the equation for ordinary heat capacity problems. You can find the equations for Cp and Cv on the equation sheet.

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Re: 6th edition 8.31

Postby Nicolette_Canlian_2L » Wed Feb 06, 2019 10:41 pm

I was stuck on the same question. So we have to convert the given mass of the krypton gas into moles and work from there?

Catly Do 2E
Posts: 64
Joined: Fri Sep 28, 2018 12:24 am

Re: 6th edition 8.31

Postby Catly Do 2E » Wed Feb 06, 2019 11:27 pm

Here's the worked out problem!

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