9.13


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Adrienne_4F
Posts: 64
Joined: Fri Sep 28, 2018 12:27 am

9.13

Postby Adrienne_4F » Tue Feb 12, 2019 9:42 pm

For change in entropy for change in temperature, why does it use R when the equation for delta S change in temp is delta S=nClnT2/T1?

Becky Belisle 1A
Posts: 81
Joined: Fri Sep 28, 2018 12:18 am

Re: 9.13

Postby Becky Belisle 1A » Tue Feb 12, 2019 9:44 pm

C can be substituted with Cv=(3/2)R or Cp=(5/2)R if the substance in question is an ideal gas.

Steven Garcia 1H
Posts: 79
Joined: Fri Sep 28, 2018 12:16 am

Re: 9.13

Postby Steven Garcia 1H » Tue Feb 12, 2019 9:48 pm

I also noticed this in the solution manual. I believe its a mistake. It should be written the way you have it. Since the volume is constant for that part of the problem, we would use the Cv value of 3/2*R in that equation


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