U= 3/2nRT


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Layal Suboh 1I
Posts: 61
Joined: Fri Sep 28, 2018 12:23 am

U= 3/2nRT

Postby Layal Suboh 1I » Wed Feb 06, 2019 5:15 pm

Hello,

When is the equation U= 3/2 nrT used? Is it only applicable when the system is isothermal? Also, for this question, is the volume constant and pressure changing?

Thanks!
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melodyzaki2E
Posts: 61
Joined: Fri Sep 28, 2018 12:18 am

Re: U= 3/2nRT

Postby melodyzaki2E » Wed Feb 06, 2019 11:58 pm

i think this is used when you have to calculate the heat capacity of an ideal gas at a constant volume
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Gracie Ge 2E
Posts: 28
Joined: Wed Nov 21, 2018 12:19 am

Re: U= 3/2nRT

Postby Gracie Ge 2E » Fri Feb 08, 2019 11:13 am

the reaction will most likely not be isothermal.
(you can look at question 4C3)
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