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A completely sealed elastic balloon contains a gas of unknown type where the initial volume and pressure are 07 m3 and 120 kPa respectively A process occurs causing the balloon to expand according

A completely sealed elastic balloon contains a gas of unknown type where the initial volume and pressure are 0.7 m3 and 120 kPa, respectively. A process occurs causing the balloon to expand according to the polytropic relationship: Eq. 1) PV^(1.8)=constant. It is known that the total boundary work during the process is 40 kJ out of the system. Based on the given information determine the final pressure and volume (kPa, m3 ).
 

Jun 18 2020 View more View Less

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