Problem Solving Approach

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Great Video! The whole process made more sense than it did in college. Understood everything and applied by your step by step and arrived at the same answers. Finally understand using the PV Diagram and where you can be regards liquid, liquid/vapor, or superheated steam. That thin line represents the saturation and if it doesn't touch the line than you're on one side or inside...completely understand. I also made the connection with
∆ U=Q+W, it is all making sense. Thank You !!!

Aerospaceman
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it is a close system, so why we are, not solving this problem by using internal energy instead of enthalpy???

HarisKhan-dftr
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where do we use simple -P🔺V and -integral PdV

hamzadragonball
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The work done by the system right so it is (+) .you writed Q+w
Why you chang the work to( - )nd write Q-pv

yjbzzgt
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You put this video to your energy balance playlist as a 3rd video but there is not a tiny information to be able to solve a random problem at first 2 videos.. And in the video, you suggest us to stop and try to solve it on our own.. Come on

Positivio.