A mass of gas at an initial pressure of 28 bar, and with an internal energy of 1500 kJ, is contained in a well-insulated cyclinder of volume 0.06m3. The gas is allowed to expand behind a piston until its internal energy is 1400 kJ; the law of expansion is pv2= constant

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A mass of gas at an initial pressure of 28 bar, and with an internal energy of 1500 kJ, is contained in a well-insulated cyclinder of volume 0.06m3. The gas is allowed to expand behind a piston until its internal energy is 1400 kJ; the law of expansion is pv2constant. Calculate.

(i) the work done 

(ii) the final volume

(iii) the final pressure

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