Question #330259

A tank contains 80 of air at a pressure of 350 psi; If the air is cooled until its pressure and temperature decreases to 200 psi and 80F respectively, what is the decrease in internal energy in Btu.



Expert's answer

∆U=(p1−p2)V=12000 BTU.∆U=(p_1-p_2)V=12000~BTU.


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