Evaluate the work done by the gas during the expansion, Mechanical Engineering

(a) What do you understand by the following :

(i) Open System (ii) Closed System (iii) Concept of ‘Work'

(b) 0.014 m³ gas at a pressure of 2070 KPa expends to a pressure of 207 KPa according to the law Pv^1.35 = C Evaluate the work done by the gas during the expansion.

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