Can anyone point out to me where in the work I did in pic related

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Anonymous
2016-01-27 03:28:09 Post No. 7813559
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Anonymous 2016-01-27 03:28:09 Post No. 7813559 [Report]

Can anyone point out to me where in the work I did in pic related is wrong? It's a thermo problem.

"A rigid, well-insulated gas cylinder initially contains N_o moles of an ideal gas at a temperature T_o and pressure P_o. A venting valve is opened and the gas is pumped out of the tank. Derive an expression for the instantaneous temperature of the gas as a function of the number of moles remaining in the tank. The heat capacity at constant volume of the gas is independent of temperature.

Anonymous 2016-01-27 03:29:18 Post No.7813562
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Anonymous 2016-01-27 03:29:18 Post No.7813562 [Report]

I forgot to edit it out in the picture, but I am assuming dN_out to be equal to dN since there is only one output stream in the system.

Anonymous 2016-01-27 03:56:16 Post No.7813621
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Anonymous 2016-01-27 03:56:16 Post No.7813621 [Report]

Shameless self-bump.

Anonymous 2016-01-27 04:02:12 Post No.7813631
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Anonymous 2016-01-27 04:02:12 Post No.7813631 [Report]

>>7813559
Yep, gas looses energy/ heat as it expands. Why your A/C works. Look over your math and find what you did wrong.

Can anyone point out to me where in the work I did in pic related

I'm aware that Imgur.com will stop allowing adult images since 15th of May. I'm taking actions to backup as much data as possible. Read more on this topic here - https://archived.moe/talk/thread/1694/

I'm aware that Imgur.com will stop allowing adult images since 15th of May. I'm taking actions to backup as much data as possible.
Read more on this topic here - https://archived.moe/talk/thread/1694/